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.
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.