After an overseas shipping worker is killed on a dock under some suspicious circumstances Barnaby Jones investigates the death for an insurance company and discovers a trail of death on his way to uncovering the truth.

Barnaby investigates the death of a motorcyclist found in the desert and discovers that it may be related to another case involving the disappearance of a beautiful young woman who was set to marry a wealthy, but disreputable business man.

A beautiful young woman hires Barnaby to look into the death of her father who was apparently killed by a computer programmed machine in his own plant. It isn't too long before Barnaby suspects foul play rather computer malfunction.

While investigating a deadly auto accident that killed two people including the chauffeur of a wealthy woman who herself was also seriously injured Barnaby suspects a sinister cover-up involving the woman's plastic surgeon and his nurse.