Hockey star Ace Phillips dies suddenly in the middle of a game and Kane is called upon to determine if it was an accident or murder.
En route to a vacation trout fishing, Kane tags along with Captain Burke and Sergeant Ross who are investigating the disappearance of a lawyer, whose last appointment was with an eccentric family living in a remote country house. Kane and the police officers discover the murdered attorney stuffed in a trunk and must investigate the dysfunctional family - three sisters in various states of insanity
The artist of a comic strip bases his latest story on an unsolved murder mystery where he claims he will provide the identity of the killer in the last cartoon. Before he inks the denouement, the cartoonist is murdered and Kane, who had urged him to abandon the project and provide his evidence to the police, feels obliged to solve both crimes.
The landlady of a rooming house asks Martin to investigate when one of her guests has $75,000 stolen that he was carrying in a brown paper bag.
Kane is hired to protect a diamond studded crown that a beauty queen will wear at a ball sponsored by a cosmetics company in Bermuda. The lovely blonde is found dead in her hotel bathtub and there's no shortage of murder suspects - her ex-boyfriend, the wealthy playboy she spurned on the ocean liner, and the wife of the man with whom she engaged in romantic trysts back in New York.
When two poker players fall out over a game of cards, one of the men winds up dead. A shoeshine boy who saw the murder flees the scene and Kane tries to find him before the killer can eliminate the only witness to the crime.
Major Clements asks Kane for his professional opinion on a device the retired army officer has created to trap the person stealing milk bottles from in front of his door. Kane is impressed; the device works - only it results in the Major witnessing the murder of a small-time card dealer by a gambling syndicate's goon.