Hardcastle visits a man he sent to prison for life only to find that the man never made it there.

Hardcastle & McCormick go undercover at a computerized dating service in order to find out why wealthy clients are turning up dead.

After telling his poker buddies to clean up the house before he gets back from the airport with the judge, McCormick returns with Hardcastle to discover that everything valuable on the estate has been stolen, including all of the judge's files on past cases.

After finding his sister-in-law missing and her apartment ransacked, Hardcastle discovers that she had been secretly following her professor in hopes of earning extra credit in a police procedures course.

The proposed destruction of a popular college bar brings Hardcastle's niece in the spotlight. With her protests making him upset, he must put aside their differences when she narrowly avoids a kidnapping.

Hardcastle's neighbors begin a Neighborhood Watch program after a series of local burglaries have them worried. After being overlooked by the organization for the selection of their Captain, the judge forgets about his displeasure when the thieves are caught only to be found dead later from a mysterious virus.

Hardcase's two aunts help out during a nursing home jewelry heist.

Mark is thrilled when he wins $20,000 racing in the Arizona Modified. His joy quickly dissipates when thieves hold him up and steal his winnings as well as the Coyote. Based on Hardcastle and McCormick's description of the thieves, Deputy Sheriff Dan Johnson realizes that they were robbed by locals Arvin Lee and Melissa Kantwell. Complicating matters is the fact that Melissa is the wife of Billy Blackstone, the city's sheriff. After recovering the Coyote from a used car salesman, Hardcastle and McCormick begin to track the crooks. To their surprise, they catch up with Arvin Lee only to discover that he has been murdered. Putting the pieces together, they realize that Blackstone probably killed Arvin Lee. Taking their theory one step further, Hardcastle and McCormick speculate that Melissa only pretended to fall in love with Arvin Lee in order to trick him into stealing for her. With Johnson's help, the judge and Mark locate Blackstone and Melissa. With Blackstone unwilling to surrender, the deputies are forced to shoot and kill him. To Mark's regret, the shoot-out starts a fire that destroys his racing winnings.

Although Hardcastle is initially pleased to be invited to a party on a private train, his emotion changes to anger when he discovers that he has been lured onto the train under false pretenses. His ire is further raised upon discovering that the train is not scheduled to stop for another day. One small consolation: Mark, accidentally trapped on board the train, is around to help him find out what is going on with the trip. The mystery takes a deadly turn when one of the passengers is murdered. Although the unknown murderer temporarily manages to get rid of Mark by throwing him off the train, the ex-race car driver, who is unable to identify his assailant, pools his resources and returns to the train down the track. Another murder prompts Hardcastle to set a trap for the killer. While Hardcastle pretends to be a victim, Mark purposely lets slip that the judge had obtained evidence against the killer. Taking the bait, passenger Carl Sharples tries to search Hardcastle's "body". Exposed as the killer, Carl reveals that he has been eliminating the people (strict teacher, ex-girlfriend, army commander, high school coach, that he selfishly believes "ruined" his life. With Mark's help, Hardcastle stops Carl before he can hurt anyone else.

While judging the Miss Sixteen beauty contest, Hardcastle becomes wrapped up in the life of car salesman Ed Whitman, the pageants grand marshal. Worried when her boyfriend Victor Hernandez reveals that his uncle disappeared while sneaking across the Mexican-United States border, Melissa Whitman, Ed's sixteen year old daughter and one of the pageant's contestants, goes to Hardcastle for help. Although Victor's uncle does eventually turn up alive, Hardcastle decides to find out what happened. With Victor's reluctant help, Hardcastle discovers that a man was murdered during a transfer of illegal immigrants across the border. Thanks to Victor, Hardcastle also learns that a lawyer named Antonio Morales, who claims no knowledge of the murder, has been helping to arrange illegal immigrations. Before the judge can get more information from Victor's uncle, the illegal immigrant is murdered. With Morales' help, Hardcastle goes undercover as a perspective immigrant. The judge's plan works and the illegal immigration ring is stopped. At the same time, Hardcastle discovers that Ed Whitman is the mastermind behind the illegal operation. Returning to the United States, Hardcastle and McCormick help the police take Whitman into custody. As the episode ends, Melissa loses the pageant to a girl named Sara Jane Rose.

When the courts discover that a convicted felon named Randy Hopke had been defended by an incompetent lawyer, the original ruling is overturned and all charges are dropped. Hopke's release quickly prompts an argument between the judge and Mark. Hardcastle, having presided over the case, insists that, as originally determined, Hopke is guilty of assaulting his girlfriend Val Mickaelian. On the other hand, Mark, having known Hopke from when he was in prison, insists that the judge made a mistake. The two men, each hoping to prove they are right, set out to prove their respective positions. In the process of their investigations, both Hardcastle and McCormick realize that they are both wrong: While they learn that Hopke did not actually assault Val, they also discover that the released prisoner had planned the assault and was willing to serve a limited prison sentence to cover-up the fact that he had committed a murder during a diamond store heist. Theorizing that Val is probably working with Hopke, Hardcastle and McCormick follow her. As expected, she leads them to Hopke as well as the stolen merchandise. After an unusual "bus" chase, Hopke is captured and the case is finally resolved.

Questioning his maturity, Mark decides to trade in the Coyote for a more conservative car. To his surprise, his credit application is rejected due to an $18,000 default. Investigating, Mark discovers that his name was used in a real estate deal put together by Melinda Marshall, the girlfriend that had helped put him in prison. (As revealed in a flashback sequence, Mark, having foolishly placed his car in Melinda's name for insurance purposes, was arrested for stealing his own car.) Hoping to clear his credit record, Mark pays a visit on Melinda. Confronted by Mark, Melinda reveals that she had faked the real estate contract in order to win a car. When someone tries to steal the car Melinda won, Hardcastle realizes that there is something more going on than a simple real estate deal. Hearing that Melinda works for Ted Rubin, a man in his files, Hardcastle realizes that the real estate company is running a land fraud scram. Realizing that there is probably something hidden in Melinda's car, Hardcastle and McCormick conduct a search. As a result, they discover valuable stamps in the car and learn how Rubin has been transferring his money. Although Rubin arrives at the estate ready for a fight, he is captured thanks to the timely intervention of the FBI agents that had been investigating him. [During this episode, both Mark and Hardcastle have extremely subjective recollections of Mark's original trial.