A private detective uses force to solve crimes.
第 1 集
Dark So Early, Dark So Long
A couple (Rosemary Forsyth, Guy Stockwell) being blackmailed hires Mannix when it appears the wife, not the extortionist, may go to jail.
第 2 集
Cold Trail
Mannix investigates the death of a woman on a ski slope and finds she was murdered because she was the wrong target of a kidnapping attempt.
第 3 集
A Step in Time
Mannix can't find the lady who he saw being attacked in her yard by 2 men, but he does find out that a woman was murdered there under the same scenario a year before.
第 4 集
Wine from These Grapes
Joe Mannix once again returns to his hometown in California's Central Valley, this time to assist Armenian attorney Leo Kolligan in defending Juan Esparza, a farmworker accused of murder.
第 5 集
Woman in the Shadows
Joe Mannix is approached one evening by a woman named Lisa Ralph, who says that she believes someone may be trying to kill her, possibly because she has a valuable manuscript that she inherited from her late father.
第 6 集
Days Beyond Recall
Mannix uncovers a hidden identity when a woman hires him to rescue her alcoholic brother (Vic Morrow) from skid row.
Mike Connors
Joseph Campanella
Gail Fisher
Robert Reed
Ward Wood
Bruce Geller
Richard Levinson
William Link