Episode 1
A writer is down for the murder of his wife and her lover, but she's left a contradictory note. ""Who builds stronger than a mason, a shipwright, or a carpenter?""
Episode 2
Cannon begins to see a doubtful situation. ""The houses he makes last till doomsday.""
Episode 3
Cannon's latest client is a dead man via a will.
Episode 4
Former soliders in Vietnam come fearfully to Cannon.
Episode 5
A former syndicate henchman has information wanted by the police and the underworld.
Episode 6
A prima facie murder case involving a lady journalist.
Episode 7
On behalf of an insurance company, Cannon investigates an airplane full of securities.
Episode 8
Cannon's engaged to protect a gang boss from the innocent man he sent up the river.
Episode 9
A payroll robbery has one main suspect who happens to be in prison.
Episode 10
A young model's death leads to many suspects.
Episode 11
A cop feels guilty over a man he injured.
Episode 12
A mob boss on trial has the judge's daughter kidnapped.
Episode 13
A blackmailer's murder brings his Swiss wife to America, and Cannon discovers still more dealings.
Episode 14
Airport drug smugglers frame a worker for murder.
Episode 15
An ex-stewardess is haunted by a hijacking.
Episode 16
A boxer is blackmailed into throwing a fight.
Episode 17
A former general hires former policeman Cannon to investigate his brother's murder.
Episode 18
Cannon suffers amnesia after a ransom drop goes afoul.
Episode 19
A recluse asks Cannon to clear up the presumed death of her sister in a boating accident five years before.
Episode 20
A doctor is accused of helping a prisoner escape.
Episode 21
A big game hunter is killed by a lion supposedly tranquilized.
Episode 22
A con man of God.
Episode 23
The murder of a con man.
Episode 24
A banker's daughter finds his suicide in the Caribbean incredible.
Episode 25
One of Cannon's old busts is a mass murderer, who comes after him on a fishing trip.
Episode 26
