A former cop turned airport security guard who saved Mannix's life years before hires the PI to find his missing wife Rose, but then changes his mind. Despite that, Mannix probes further to find out why.

Hoods abduct a young man who comes to Mannix for help, then try to buy the PI off... all as part of a scheme to influence a judge.

While participating in an amateur auto race, Mannix witnesses a competitor's death. The driver's widow subsequently hires Mannix to confirm the death was a homicide.