Dale and Laura Corey are a happily married couple who own an electronics store; he does a lot of electronic eavesdropping for clients, she was a cop on the force with Cannon a few years back, and hires him because Dale is being threatened after bugging some hotel rooms for the owner.

A former syndicate henchman has information wanted by the police and the underworld.

Cannon searches for a missing girl who's on the lam after witnessing a murder.