Cannon enlists the help of a former call girl to catch her former pimp, who killed a cop.

Cannon is hired by a hit man to take his place, but he wants Cannon to save his mark, not kill him.

Cannon looks into a 14-year-old nightclub homicide investigation after a retired detective is the target of an attempted hit.

Cannon is hired by a businessman to follow his wife as she carries negotiable bonds, and he is drawn into a complex scheme involving false identities and murder.

Cannon is hired by a wealthy retired general to find a daughter he hasn't seen since she was a child, 20 years ago.

To avenge the killing of his younger brother, a man kidnaps a police cadet to exchange for the Police Lieutenant he blames for his death.

A detective, who was tailing a man as a favor for Frank, is shot when the man meets his drug dealer. Frank must find the man before the detective's brother kills him.

Cannon is hired by an insurance company representative to investigate a fatal automobile accident, but nothing about the accident is as it seems . . . and neither is the insurance company representative.

As a favor for a friend, Cannon investigates a series of rapes and murders in which his friend believes a young man is being framed for. During the course of his investigation Cannon runs into major opposition from the locals.

Cannon finds himself between Nazi hunters and their quarry, and he finds they don't want justice, they want revenge.

A young woman hires Cannon to find her fiancé, after he disappears, and his business partners refuse to reveal where he is.

Cannon is hired to kill a man by a war hero client who he has worked for before. He decides to play along and pretend to take the case, but only to save the intended victim, who knows facts which the hero does not want to come out.

Cannon shoots and kills mob hit-man Gianni at a restaurant, and Gianni's girlfriend, the syndicate head's daughter, wants Cannon killed for it.

A young woman has gone missing and Cannon is hired to find her. The four men responsible for her death frame a young black man for it and Cannon sets out to clear him.

Cannon flies to Tampa, Florida, to find a man who abruptly withdrew a large sum of money from his bank account and then disappeared with two gunmen on his heels.

Cannon is hired by a San Diego industrialist to protect his daughter from a psychotic man, and then he gets framed for killing the man.

A construction contractor is framed for attempted murder of a politician, and his wife hires Cannon to find out by whom and why.

A young woman hires Cannon to find her father, an ex-convict who apparently failed to get off when the jet plane he was on landed.

A desperate woman fingers Cannon as her brother to a hit-man who is waiting for him at an airport in order to save her brothers life. Cannon must investigate in order to the life of the woman's brother as well as his own.

The mayor of a small city hires Cannon to investigate the murder of a reporter, who had identified a group of corrupt police officers.

Cannon searches for a married woman who has been on the run since witnessing her lover commit a murder.

Cannon is hired by a man who hired a hit man to kill him and even made the killer his beneficiary. Now he has decided he wants to live, but the hit man refuses to give up.

An Italian businessman with close ties to his government calls on Frank Cannon when his daughter is kidnapped in the United States and held for ransom for the release of terrorists currently imprisoned in Italy.

Cannon is hired to find a wealthy woman's runaway niece. But what he is not told is that the girl ran after she saw her aunt participate in a murder.