Cinnamon se hace pasar por una princesa perdida, en un plan de Jim para frustrar un golpe de estado preparado por un militar.

Barney se hace pasar por un boxeador para evitar que dos gánsteres corrompan los deportes estadounidenses. Barney logra atraer el interés de los corruptos, quienes lo convocan para una pelea de prueba. Pero Phelps, que está instalando equipos "especiales" para esa demostración, está a punto de ser descubierto por los secuaces de los promotores, que regresan antes al gimnasio donde se llevará a cabo la pelea.

Phelps evita por poco ser descubrimiento por los secuaces de los promotores (gracias a Rollin), logrando así completar la instalación de los dispositivos que le permitirán a Barney ganar la pelea de prueba. Y Barney se convierte ahora en un contendiente por el título…

Jim y su equipo viajan a África para detener a un mercenario ávido de oro (Pernell Roberts) y poner fin a su reinado de terror.

Para evitar que un brutal estafador (Vincent Gardenia) controle la industria de los alimentos de Estados Unidos, Jim y los suyos deben convencer a su sicario para que entregue pruebas contra su jefe. Así que elaboran un meticuloso plan donde le hacen creer que está en una prisión, y que será ejecutado en dos horas a menos a menos que delate a su jefe…

Para asegurarse el poder, un general reemplaza al amado cardenal de un país por alguien de aspecto similar; el equipo idea un plan para cambiarlo, y poner de nuevo al verdadero cardenal.

En América del Sur, Jim y su equipo deben evitar que una superficial matriarca, Riva Santell, (Ruth Roman) tome el poder con un golpe de Estado. Phelps, sabiendo que a Riva la belleza eterna le interesa aun mas que el poder, le presenta a Cinnamon como una mujer que tiene casi 70 años…

Jim y los suyos deben desacreditar a un diplomático enemigo (Fernando Lamas), quien suministra a una potencia extranjera las ubicaciones de los centros de control de misiles de Estados Unidos.

Jim y su equipo deben desacreditar Milos Kuro, ministro de Relaciones Exteriores de un país tras la Cortina de Hierro, cuya influencia impide a su primer ministro establecer un pacto de no agresión con los Estados Unidos.

En Miami, Jim y su equipo deben impedir que un sindicato del crimen financie el plan de un dictador exiliado (Albert Paulsen), quien pretende lanzar una contrarrevolución que lo devuelva al poder.

Albert Jenkins, who robbed an armored car five years ago, double-crossed his associates and hid the $10 million. He then managed to get himself arrested as ""Raymond Barret"" on a burglary charge he did not commit. In this way he can outwait the statute of limitations on the armored car robbery from the safety of his cell. The IMF must bring him to justice. To do so, IMF ally Dr. Bowman tells Barret he has a fatal disease and gets him released early. Rollin as a doctor confirms the diagnosis and reveals that Jim, pretending to be a cryogenic doctor, can put him in stasis. Barret/Jenkins ""wakes up"" 12 years later in a futurstic IMF set and a graying Rollin tells him currency is no longer of value and the police want to question him. Barret escapes only to discover that it's a scam...but in the scam-within-a-scam, he thinks it's one day after the statue of limitations expires. He goes to the cemetary where he hid the money, along with his partners thanks to an IMF ploy, and all of them are

During a mission in a half Western/half Communist country, Cinnamon is caught and arrested after delivering information to the team. She is tortured and proves immune to everything except effects involving her claustrophobia. As intelligence officer Strom gets close to breaking her, Jim decides that the team must try and trade her for a valuable Eastern spy, Rudolf Kurtz. The IMF have to covertly get Kurtz out of prison, get him past the Western police, and get the information from him. The IMF fakes ""rescuing"" Kurtz and taking him to an office in the Eastern zone, where he gives up his information to superior officer Jim. Strom is forced to trade Cinnamon, but shoots both her and Jim during the exchange. Believing them dead and with Kurtz keeping silent about the information he spilled to protect his own life, Strom departs...as Jim and Cinnamon, wearing bulletproof trenchcoats, make their escape.

Walter Townsend is discovered to be a double-agent: the U.S. government has leaked false information to him to give to the enemy which will cause them embarassment if believed. However, Townsend's contact Simpson has discovered the information is false and reported to his superiors Townsend is a defector. Simpson's superiors know of his jealousy toward Townsend and send their best intelligence officer, Stefan Miklos, to discover the truth of the matter. The IMF must make Miklos believe the information is true and Simpson the liar. Rollin-as-Miklos gets Simpson out and then takes Simpson's place. The IMF sets a series of clues to make Miklos belief that Townsend truly is a traitor and preparing to defect, including tickets and a passport. However, Miklos spots a planted ""clue"" that convinces him the IMF are doing exactly what they are doing: framing Townsend! He identifies them and then receives the information from Rollin-as-Simpson and Jim when he's spotted Jim as one of the IMF opera

A gangster, Constantine Victor (aka ""Mr. V"") has had the last witness against him on a murder indictment killed. Johnny Costa, Victor's associates and a casino owner, is the only one with enough evidence to get Victor convicted. The IMF must con Costa into talking. Phelps as a syndicate killer warns Costa that someone has put a contract on him. Cinnamon charms Costa and has him endorse minor credit slips which the IMF then forges for bigger ones. Rollin is a bookkeeper who supposedly works for Costa, finds an unlisted $25,000 planted by Barney, and the fake credit slips. Thanks to a prerecorded call from ""Victor"" mimiced by Rollin, Costa is relieved of duties. Costa confronts Cinnamon and gets her to admit she is working for Victor. Fleeing from Willy as another hit man, Costa locks himself in the casino vault to protect himself until he can testify against Victor.

Anton Reisner, a reistance leader in a tyrannical country, has been imprisoned in the automated Trast Prison and is being tortured by Major Zelinko in order to get the names of the other resistance leaders. The IMF must get him out of the prison. Reisner is in a video-monitored escape-proof glass cubicle. Barney and Willy get themselves imprisoned when Cinnamon as head of the country's prison system arrives for an inspection. She distracts Zelinko long enough for Barney and Willy to escape, wreck the video system, and get to Reisner. But..they tell him to stay in the cell but act different, then get recaptured. Zelinko notes the discrepancy between the door counter and the written log and puts two and two together (incorrectly) with Reisner's odd behavior and assumes Reisner is an imposter. Zelinko and Gulka plot to keep the switch secret but Cinnamon arranges for Zelinko's underling Vasney to overhear it. She has Zelinko arrested and takes Barney, Willy, and the Reisner-as-the-imposte

Carl Vandaam, a bankrupt European tycoon, is masterminding the theft of plutonium to make a hydrogen bomb and sell to the highest bidder. To keep such a bomb from falling into the wrong hands the IMF must stop Vandaam. Jim and Cinnamon get close to Kura, one of the bidders, by offering to bankroll him in return for oil rights. Vandaam demonstrates the bomb's plutonium core but afterwards Barney manages to steal the plutonium and replace it with an empty cylinder. Vandaam's aide discovers the theft and seals the building while Vanddam bluffs it out hoping they catch the thief before the bidding is over. Kura wins the bidding unaware that Cinnamon has planted a device in his money. Cinnamon insists they see the plutonium again, Vandaam is forced to reveal the theft, and Kura wants a refund. Cinnamon destroys the money by remote control. Kura has Vandaam shot while the IMF escape and summon the authorities.

Selby, a double-agent for the U.S. within an enemy country's intelligence service, is suspected by his superior, Kellerman. The IMF must keep Selby in the clear and eliminate Kellerman. Selby complains when Marceau, a courier who knows about Selby's identity, is taken from him by Kellerman. Selby claims Kellerman is the double-agent. Rollin, as a government official, gives Kellerman 24 hours to break Marceau. Using his underling Brocke, Kellerman works with Rollin to trap Selby. Kellerman comes to believe that Agent Jim has kidnapped Brocke's girlfriend to force Brocke to give away Marceau's location to Selby. In reality, Stephanie is shown a fake split-screen of Jim conspiring with ""Kellerman"" (Rollin in disguise on tape!) to kill Brocke and eliminate Marceau. Brocke believes Stephanie and accuses Kellerman but she recants under pressure. Meanwhile, Marceau is wired to an explosive. When Stephanie recants the IMF break in using knockout gas and use liquid nitrogen to free Marceau. The

Dr. Erich Rojak and his wife Anna are being held in an underground laboratory/bunker by a totalitarian enemy government. Another unfriendly government has sent an assassin, Ventlos, to kill Rojak. The IMF must rescue Rojak and his wife, destroy the test missile Rojak is working on, and stop Ventlos. The IMF infiltrate the base and Jim introduces a handstamp system, unaware that Ventlos has already replaced the bunker's security chief. Jim uses his system to expose security officer Cinnamon as a phony and she is imprisoned near Anna. Willy breaks in via the furnace and rescues Anna while Cinnamon takes her place...

With Cinnamon-as-Anna in place, she is taken to her ""husband"" and tells Dr. Rojak to be near an air vent. Jim as a security officer has placed a small remote-control flying disk in the bunker's air vent system and it holds a hypo. Barney steers it to Rojak's monitored cell and he uses the hypo to induce a heart attack. Jim summons Rollin (as a heart specialist) who advises surgery and instructs that ""Anna"" be at her husband's side. Ventlos the assassin plans to disrupt the operation by taking Rollin's place in disguise and the IMF quickly has to readjust when Ventlos tries to kill Rojak and destroy the installation.

General Zek of Karak is opposed to a peace treaty between his country and Agir, and is working with a munitions maker named Ismir Najiid to start a war by destroying King Said during his announcement of the treaty. The IMF must stop Zek and Najiid for good. The two conspirators hire Aristo Skora, a terrorist, to plant the explosives and incriminate Agir. Barney as a systems analyst sets up Najiid's factory's alarm system so Rollin can sneak in and steal the nitro from Najiid with Willy's help while letting himself be seen. Meanwhile, Jim has identified Cinnamon to Zek as an ally of ""Hakim"", the Agirian terrorist Rollin is pretending to be. Rollin and Willy grab the real Skora and then Rollin-as-Skora tells Zek their plan won't work. The IMF let Zek follow Cinnamon to an unconscious ""Hakim"" (actually a drugged and masked Skora) who has the nitro and a radio-controlled truck so Zek takes over his plan which he believes is the Agirians. Meanwhile Najiid has been drugged during Said's spee

Jim is sent in to recover a list of Allied agents from the enemy's highest ranking intelligence minister, Anton Valdas. Nicole Vedette's, Valdas' secretary, is apparently on the IMF's side but Jim decides not to use her. Instead Jim and Rollin plansto break into Valdas' safe during a party. Jim and Nicole meet and have a romantic attraction. The effort goes awry and Jim is shot and captured while helping Rollin to escape. Nicole is imprisoned on suspicion but tells Jim that no one is looking for Rollin. Nicole also tells him that Rollin's contact is a double agent. Jim believes Valdas substituted a fake list that he wants them to take back. The two escape and Jim collapses from his wound in a barn. Nicole reveals she is the double agent and reports the success of their charade to Jim. But because of her attraction to him she blackmails Valdas into letting them escape for real. Jim realizes the deception and Nicole confesses, unaware that Valdas put a bug on her. They are caught by Vald

Phillipe Pereda, finance minister of Costa Mateo has stolen $40 million from the vault of the country's president, De Varo. De Caro plans to announce the money will be used for an industrialization process. Pereda plans to frame the president for embezzlement when it is found the money is missing from the supposedly impenetrable vault, then take over the country. The IMF must stop him. Willy sneaks Barney into the vault and he gets it open and makes it look like it was robbed before setting off the alarm. Rollin (as an auditor) lets a guard see Barney before knocking him out, then knocking himself out. Pereda realizes that with this new robbery, he won't be able to frame De Caro. Cinnamon and Jim (as representatives trying to cut a deal with Pereda to buy land once he is in power) suggest he temporarily replace the stolen money with Treasury cash before De Caro confirms the theft. Pereda sneaks into the vault using an audio tape of De Varo's perfectly pitched code, he puts in the money

Skarbeck and Lom are rivals for the vacant post of Chief of Secret Police in the East European Peoples Republic. As they are both hardliners, the IMF must eliminate both of them and make sure Paul Trock becomes the new chief. Skarbeck killed his lover Carlotta years ago but never found the man she was sleeping with. Skarbeck framed her costar and killed him in a car crash before having a breakdown. The IMF plan to trigger another breakdown. Cinnamon recreates Carlotta's act and admits to Skarbeck that Lom is paying her to him. Meanwhile, Jim sets up Lom with a letter proving Skarbeck killed Carlotta. Lom plans to nail Skarbeck for Cinnamon's murder. The IMF slip Skarbeck a drug to hypnotize him into thinking of Cinnamon as he did Carlotta. The IMF then trick Skarbeck into thinking Rollin, Cinnamons cabaret comic/partner, is having an affair with her, and that he is actually the murdered Fritz Mueller. Rollin tells Skarbeck that Cinnamon is having an affair with Lom. Skarbeck tries to k

Agent Norvan Kruger knows about his country's plans to launch some kind of attack which will devastate the world. he's been captured by a second country unfriendly to the U.S. Kruger's interrogator, Spindler, hasn't broken the agent but even if he does the U.S. needs the plans. The IMF capture Spindler and Kruger during transport and lock Spindler up. To convince them he's who he is he tells them of Kruger's knowledge of the plan to launch nuclear missiles from submarines against the U.S. The IMF use drugs to scramble Kruger's memories and convince him he is an interrogator assigned to break a prisoner (Rollin). He's told he must get the information from Rollin or his superior Kutzof will have him shot. Rollin claims to have the same submarine-location knowledge Kruger does. Kruger grows steadily more confused, particularly when he can't hear what Rollin is saying. Jim as a psychiatirst tells Kruger he's blocking out the words. When ""Kutzof"" shows up, under pressure Kruger blurts out h