Tony Chambers shared his success secret with his friend Harry Fox: a cigar box containing old film and baseball cards. Harry is unsure how to proceed, while others are increasingly intrigued by the discovery.

Father Ryan reportedly included a call girl in his life insurance policy. This claim is met with disbelief by Harry Fox, who attempts to investigate further by reconnecting with an old friend.

The widowed woman, who had no children and was the spouse of the wealthy Montgomery, is killed. Just before she died, she attempted to reach out to Bill Merrick, the soon-to-be husband of Harry's niece. An uncovered version of Montgomery's will shows that he had a son, making him the rightful heir.

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.

When Harry's secretary (Carol Kane) makes an appointment with a counterfeiter, she manages to get herself and Harrison captured.

Harrison defends his wealthy client against her son who claims she is unfit to run the family business. Can Harry, Harrison and Josh unearth any evidence that suggests UFO activity?

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.

In Harry and Harrison's latest murder investigation, they prove the innocence of Cindy's brother.

Harrison's author friend disappears on the eve of his latest book launch. Can Harry and Harrison discover whether his disappearance is a publicity stunt or a warning from the mob?

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

Harry suspects a murder has been committed when he investigates the apparent suicide of his grandson's music teacher. Will the discovery of a rare piece of music prove to be a vital clue?

Harry's life is placed in danger when he is mistakenly given the wrong photographs by a photo lab. Will he be able to keep himself and the potentially incriminating photos safe from harm?

Harry attempts to locate a woman's boyfriend who mysteriously disappeared the night he proposed to her. The case takes a surprising turn when Harry is offered a bribe to end his investigation.

Harrison asks Harry to investigate when his surgeon friend is arrested for the murder of a rival doctor. Can Nurse Flood and a bomb expert help Harry solve the case?

Harry investigates the death of Allison's cousin when his body is discovered in Harrison's office. Is his murder linked to a jade Buddha figurine?

Harry and Harrison attempt to clear their client's name after her long-lost husband is murdered. The case takes a surprising twist when their investigation leads them to a Caribbean island.

Harry and Harrison investigate a fashion designer's claim that she has been receiving threatening calls from her dead business partner.

A romantic weekend goes awry when Cindy spots a friend (Audrey Landers) and her supposedly dead fiance; guest Nancy Walker.

Will Harry's birthday present from Harrison prove to be the vital clue which cracks an unsolved kidnapping case?

Cindy and Harrison's plans for a relaxing ranch holiday are dashed when they hear a murder being committed. Harry and Harrison try to piece the clues together and find the killer.

Harry investigates the murder of his homeless friend Rosie. He and Harrison try to find her killer and unearth the motives behind this seemingly senseless murder.

Harrison is introduced to the competitive world of horse racing when he is given a share in a thoroughbred. He needs to discover who is behind a murderous plot to kill the racehorse in time.