A tough as nails private investigator (Malone) squares off with gangsters and their thugs to protect a valuable secret. Malone goes through hell to protect the information but he dishes some hell as well...

A newly arrived governor finds his province under the control of the corrupt Colonel Huerta. To avoid assassination by Huerta, he pretends to be weak and indecisive so Huerta will believe he poses no threat. But secretly he masquerades as Zorro, and joins the monk Francisco and the beautiful aristocrat Hortensia in their fight for justice against Huerta and his soldiers.

Santos attempts to lead a people's revolt in Colombia to overthrow the oppressive El Presidente. When his revolt fails and he is killed, his sister Christina goes to New York to find McBain, a lieutenant Santos rescued during the Vietnam War. McBain agrees to avenge Santos' death, calls up his old war buddies, raises the necessary funds by killing a few drug dealers and threatening the mafia, then leads an attack to topple the corrupt government.