An insurance detective encounters numerous surprises when he is assigned to investigate a meticulously-planned train robbery in Arizona.

Ex-cop Vic Barron crossed the wrong mobsters; his wife and child were killed and he himself scarred, framed and imprisoned. On release, Vic has but one desire, revenge on still-hiding Tino Morelli.

A group of four outlaws led by Abel Dragna Fraserville decide to settle in a small, civilized and peaceful town of 1,200 inhabitants in which even the sheriff, does not carry weapons. Soon the gunmen begin to make all kinds of misdeeds against the impassive gaze of the sheriff whose attitude is misunderstood by their neighbors.

The plot concerns a Key West charter boat captain persuaded to help smuggle Cuban refugees to Florida. When a refugee is killed while escaping, he loses his license and becomes involved with a married woman, whose jealous husband wants him dead.