With Helm out of the country, Kronski must work alone to uncover evidence to prove that her client did not murder her husband.

Record pirates murder a detective friend of Helm's who had been hired to investigate possible piracy by a suspicious musician.

While searching for a woman who was involved with a $250,000 robbery, Helm finds himself being trailed by her cohorts who are hoping he will lead them to the loot.

Matt investigates the death of a research scientist who was found frozen to death after an apparent skiing accident.

After clearing a businessman of murder charges, Helm discovers some new evidence that points to the man's guilt.

Helm discovers a seriously wounded woman on the beach, only to find her gone when he returns with help.

Helm investigates the kidnapping of a prized stud horse and the murders of the three men who had been watching the horse.

An old associate of Helm's becomes a hit man's target for no apparent reason.

Helm agrees to help an old friend find his business partners, unaware that they had been involved in diamond smuggling.

Helm investigates the death of a tycoon who was going to be a player in the highest stakes poker game of all time.

After the lawyer who was helping her find her natural parents is murdered, an adopted woman turns to Helm for help.

Helm is hired by a charming socialite with a dual personality to investigate a murder that she may have been committed while acting as her other self.

Helm sets out to find an air freight company executive who disappeared after deciding to terminate his involvement with a drug smuggling ring.

A former secret agent, now a private investigator, is hired to protect a beautiful film star and gets involved with gun runners. Detective Jerry is about to reveal to Maggie the results of the investigation she entrusted to him. It is then that he is shot dead, before the eyes of Maggie, herself being pursued by gangsters who miraculously spare her. She asks Claire Kronski, a lawyer, and Matt Helm for help. Maggie tells her story: her father was murdered when she was six years old. He was an officer and had discovered the clandestine activities of one of his sergeants. She has sworn to avenge her father and wants to find the culprit. He would be living in the United States under a false identity and would have altered his face...