A racing accident lays Mannix up. While recuperating, he hears threats against him, but are they real?
Mannix transports jewels from London, or is that his double?
Was a police shooting premeditated? Mannix is on (and off) the case.
A singer piles into mounting trouble with the law.
In defense of a client accused of murder.
Mannix in the middle of a gang war.
The fictitious name on a partnership contract apparently comes to life.
A dubious client is caught in his own machinations.
Murder on the golf course leads to open season on Mannix, who's looking for valuable microcircuit plans hidden by the victim.
Disappearing enemies and friends force Mannix into a blackmail investigation.
Evidence rules out one confession, indicates another.
Blackmail turns to murder and beyond.
Hired and fired, Mannix pursues a missing person.
Blackmail has its twists and turns.
The Case of the Singing Harp: a singer is kidnapped to reveal hidden loot.
Peggy is kidnapped to force Mannix into an investigation.
Strange circumstances surround an arrest by Mannix.
A contract is taken out on a Little League manager.
A skid row bum is concealing his identity.
Soviet agents want Marx's manuscript of Das Kapital, and a young woman has just inherited part of it.
A labor dispute in his home town ends in murder.
Mannix is the eyewitness of a murder; reportedly, it occurred a year before.
A big kidnapping plot and an insignificant victim.
A blackmail victim is headed for prison.
