While Steve Austin is on a one week fishing vacation, a Steve Austin look-alike shows up at Oscar Goldman’s office claiming that he decided to cut his vacation short. He secretly takes photographs of the Omega Project files, which are turned over to a middleman named Breezy. The real Steve Austin returns just in time to catch his double getting a tour of the Omega Project facility. The impostor is hit by a car and killed in the ensuing pursuit. Steve Austin then poses as the impostor, a former boxer named John Dine who had his face surgically altered to resemble the bionic OSI agent. The search for the photographs eventually lands him in the ring of a crooked boxing promoter.

Steve is arrested when an assassin he helped send to prison seeks revenge by framing him for murder. Steve escapes from the police and must find the assassin before the police find Steve. Lee Majors plays a comic bit part as an elderly Electrical Store Clerk credited as L Majors.

Bitter explosive expert Robert Meyer arranges for the Liberty Bell to be stolen, rigs it with three bombs and demands five million dollars. Complications mount up and Steve Austin is forced to ask imprisoned bomb expert Linstrom to help defuse Meyer's handiwork.

Steve Austin is on reserve duty at Edwards Airforce base when an attempt is made on Prince Sakari of Kutan, who is studying to be a jet pilot there.

Steve Austin goes undercover as a longshoreman to investigate the disappearance of another OSI agent.

Steve is investigating another security leak at the OSI and this time it leads to his and Oscar Goldman's favorite secretary, Peggy Callahan.