When Steve and Oscar investigate the death of the entire population of a small town, they are contacted by a scientist, once employed by the government, who is set on revenge for past grievances. Demanding $10 million or he will strike again, Steve must find and stop him.

Dr. Samuel Abbott has been kidnapped while developing a wireless laser that utilizes scientific principles observed in light generation by the common firefly. Steve Austin goes to Spain to find Abbott’s daughter Susan whose known powers of ESP will hopefully assist in locating the scientist. She leads them to the Everglades only to discover that Dr. Abbott mistakenly believes his kidnappers are government agents that are protecting him. He continues to complete the laser unaware that it is being used to extort money from the U.S. Government.

In an attempt to steal a top secret anti-missile device, Steve's associate and friend Major Sloan is kidnapped and replaced with a robot. Steve must discover the impostor, and keep the device from being stolen and sold to the highest bidder.

Steve is assigned to find and rescue downed-pilot Josh Perkins, as well as recover the evidence of U.N. treaty violations that Perkins had on him when he disappeared.

When an earthquake threatens the stability of an underground Russian nuclear installation, Steve must rescue the fiance of his friend Col. Vasily Zhukov, who is buried beneath debris. Complicating matters further, Steve must also stop the reactor before it explodes.

By sheer chance, Steve Austin witnesses the attempted assassination of Lawrence Sandusky, a prosecutor who is about to file criminal charges against a known racketeer. He is unable to capture the assassin, but does catch a glimpse of his face. OSI is assigned to security detail for the prosecutor pending a 9:00 a.m. court hearing. Steve Austin identifies and apprehends a man named John Hopper, believing him to be the hired hitman. However, Hopper has a seemingly ironclad alibi. Convinced that he is correct, Steve Austin trails the released suspect as the court hearing fast approaches.

When America's first female astronaut (guest star Farrah Fawcett) runs into trouble, Steve tries to help, but discovers that his powers are limited by space travel.