Neighborhood crime fighters hamper Jesse's search for thieves who wounded a local security guard during a gold heist.
While police guard a millionaire from a hit man, a pretty reporter (Ann Turkel) uses Jesse to trap the real target, a federal agent.
Jesse competes with an insurance investigator to prove a kidnapped racehorse is really an equine impostor; guest Bibi Besch.
An author (Belinda Montgomery) and former police officer asks Jesse for protection from a killer she will identify in her book.
Jesse and Norman probe an illegal-arms ring based at a research firm, whose top scientist (Joanna Kerns) is Norman's old flame.
Aided by mercenaries, a dictator's widow (Bianca Jagger) races to recover millions looted from the treasury.
Jesse's old girlfriend's current beau is on the run from a Chinatown gang for stealing a smuggled statue.
A racketeer (Tige Andrews) using ultralight airplanes in an arson/extortion plot wants Jesse's test flight to be his last.
Jesse tries to find a rock singer with an incriminating videotape before a professional killer does.
Jesse agrees to hide a showgirl (Sybil Danning) set to testify against a mobster, then mob thugs kidnap her sister.
Jesse suspects a police officer (Marjoe Gortner) escorting a robbery suspect from Los Angeles to New York has murder on his mind.
An auto theft ringleader blames Street Hawk for his brother's death and unknowingly hires Jesse's old friend to even the score.
After he is disabled and his police partner slain in a run-in with drug dealers, Jesse Mach (Rex Smith) uses an experimental motorcycle to find the killers.