A detective sick and tired of the rampant crime and violence in his city, and constantly at odds with his superiors, is finally kicked out of the department for a "questionable" shooting of a vicious criminal. However, he is soon approached by a representative for a group of citizens who themselves are fed up with what they see as criminals going unpunished, and they make him an offer he may very well not refuse.

Laura Kendall, also known as Emanuelle, arrives at a remote prison with a long, fictional rap sheet that will allow her to go undercover to report on the cruelties behind bars.

Mike Hamilton, a Philadelphia lawyer, comes to Naples to settle the estate of his long estranged "black sheep" brother. Once there, he discovers that the deceased has left an 8 year old boy who is being raised by Michael's sister-in-law Lucia Curcio. To complicate matters, Lucia happens to be a sexy nightclub performer.

Dominated by men in her youth, Belle Starr now out-shoots and out-gambles them as she makes her way around the West. One man who's her equal is Larry Blackie with whom she has an on-again, off-again relationship. Together they become involved in a robbery which goes awry....

Franco and Ciccio are two cousins ​​who, in the old West, have opened a service station, where they carry out the washing and drying of the horses and a bar service for the passing riders. One day a stranger saves them from an attempted robbery against them: the girl introduces herself as Calamity Jane, as well as Franco and Ciccio's aunt.

At the beginning of the 1913 Mexican Revolution, greedy bandit Juan Miranda and idealist John H. Mallory, an Irish Republican Army explosives expert on the lam from the British, fall in with a band of revolutionaries plotting to strike a national bank. When it turns out that the government has been using the bank as a hiding place for illegally detained political prisoners -- who are freed by the blast -- Miranda becomes a revolutionary hero against his will.