Upon arriving in Cartagena, Colombia, American pilot Benjamin Grey’s passport and money are stolen leaving him stranded. Shortly after he receives a call from his son’s doctor, who informs him that he is his Leukemia-stricken son’s only chance for survival, and the clock is ticking

A New York University professor returns from a rescue mission to the Amazon rainforest with the footage shot by a lost team of documentarians who were making a film about the area’s local cannibal tribes.

Bud Spencer plays Banana Joe, a brawny yet friendly man who lives in a small rainforest village called Amantido with a huge number of his own children and regularly delivers bananas to a South American river port (hence his name). One day, the henchmen of a local gangster boss named Torsillo come ashore in Amantido to initiate the construction a banana processing plant. Of course, Joe (in typical direct-approach manner) evicts the goons, who promptly return to their boss. Torsillo finds out that Joe is trading bananas without a license and decides to exploit it. Upon his next delivery, Joe is apprehended by the police and given the choice of either acquiring a legal license or getting his boat taken away and himself arrested for illegal shipment. Joe travels to the nearest city, which to him is a new world, as he grew up in the rainforest.

A fearsome 19th century bandit, Cobra Verde cuts a swath through Brazil until he arrives at the sugar plantation of Don Octávio Countinho. Not knowing that his new guest is the notorious bandit and impressed by his ruthless ways, Don Octávio hires Cobra Verde to oversee his slaves. But when Cobra Verde impregnates Don Octávio’s three daughters, the incensed plantation owner exiles the outlaw to Africa where he is expected to reopen the slave trade. Following his trans-Atlantic journey, Cobra Verde exploits tribal conflicts to commandeer an abandoned fortress and whips an army of naked warriors into a frenzied bloodlust as he vies for survival.