Just out of prison, ex-con Ugo Piazza meets his former employer, a psychopathic gangster Rocco who enjoys sick violence and torture. Both the gangsters and the police believe Ugo has hidden $300,000 that should have gone to an American drug syndicate boss.

The movie is set during World War II in the days just prior to the D-Day invasion. A special parachute unit is sent to destroy a German flame thrower installation on Omaha Beach.

Wily roving gunslinger Sartana arrives in a small town and tries to find a hidden fortune of half a million dollars in gold and two million dollars in counterfeit money. Naturally, a bunch of other treacherous folks who include conniving widow Senora Manassas, shrewd fellow gunslinger Grand Full, and the vicious and unhinged General Monk are also looking to get their greedy hands on said fortune.