Months after being injured while chasing a payroll holdup suspect, an ex-motorcycle cop hires Cannon to help him find the robber, who was assumed to have died in the chase.
Pete Macklin, a former fighter pilot, is fired upon by a warplane while he is driving on a canyon road, resulting in a crash and his death. Cannon is hired by the insurance company to prove his death was a suicide.
Convicted felon Mike Carr attends college under a prison rehab program. The incarcerated crime boss John Flatow forces Carr to ferry information to and from his outside people. Cannon agrees to help Carr break free of Flatow's control.
An laid-off engineer trains a group of Vietnam veterans to steal munitions from a National Guard armory, and Cannon is hired by the wife of one of them to find her missing husband.
Cannon is hired to protect a lawyer who has received death threats after defending her clients, two small-time crooks, suspected of a safe-cracking at a charitable foundation.
Cannon witnesses the attempted holdup of a bar and shoots the thief before he escapes. The man was with a woman who accidentally shoots her in the gunfight. The woman later claims she didn't know the man and that it was Cannon who shot her.
A sheep rancher is accused of criminal negligence when a man is killed on her property by a "coyote getter" trap, and she calls on Cannon to exonerate her.