
A private detective solves cases in Los Angeles.

Cannon goes undercover as a hired killer to uncover the dark secret behind the blackmail of a former Army captain.

Cannon becomes the target of a setup when he fakes the murder of a mobster to allow the man to testify against the mob as part of a deal.

A tape recording detailing the murder of a girl reported missing brings Cannon to a rural town to solve the crime.

A lawyer (Gary Lockwood) returns to the scene of his college football triumphs to escape a crime mob pursuing him.