Peggy's boyfriend goes on the lam.

Someone is out to get a film star.

A wealthy man hires Mannix to find the person blackmailing him—eventually leading to Mannix being suspected of murder.

A TV host's murder proves difficult to investigate, as everyvbody wants it canceled.

Death row inmates force a case to be investigated.

A threatened cop is in need of protection.

Was a police shooting premeditated? Mannix is on (and off) the case.