Mannix is hired to find out any dirt on Govenor-elect Adam Pierson, and that's when the trouble starts: with his syndicate connections, people are dying fast.

Mannix enters a race in which a driver is killed.

A boarding school marked for demolition sets off a mystery involving a corpse and a quarter-million.

An accidental drowning has many surprising facets.

Mannix has an enemy who seems to be dead.

A widow's husband was a man of mystery.

Ross and Alex are members of Mannix's college football team who put together an unconventional reunion in a ghost town. The reunion ends in murder and reveals years of deceit and jealousy that come to light in a series of bizarre and morbid.

An aircraft prototype is debuted under mysterious circucmstances.

A political candidate asks to be vetted.

A search inquiry proves hazardous, and Mannix finds his client is a ringer.