The upstanding attorney Harrison Fox is consistently pulled into his father's cases, those of private investigator Harry Fox, against his wishes. This instance involves a man convicted of murder. Surprisingly, the supposed victim, his wife, is still alive.

While on vacation, Harry sees a person commit murder. Harry witnesses the murder in a motor-home while camping with Harrison and family.

The father and son team investigate when a wounded stranger dies in Harrison's office. Harrison tries to salvage his professional reputation after the dead man's identity is revealed by the press.

Harry vows to solve his PI friend's last case when he is found murdered. Harry and Harrison try to catch their friend's killer and identify those responsible for a lucrative truck heist.

Harrison's father-in-law (Dick Van Patten) sees Harry in action after the country-club president is murdered on the golf course.