Bud Spencer plays Banana Joe, a brawny yet friendly man who lives in a small rainforest village named Amantido with a huge number of their or her own kids and frequently delivers peanuts to some South American river port (thus his name). The henchmen of a neighborhood gangster manager called Torsillo come ashore to commence the structure a banana processing plant. Of course, Joe (in typical direct-approach manner) evicts that the goons, who promptly return to their own manager. Torsillo discovers that bananas are being traded by Joe and decides to exploit it. Upon his shipping, Joe is apprehended by law enforcement and given the option of getting his boat or acquiring a permit that was legal and himself arrested for shipment. Joe travels since he climbed up in the jungle, into the nearest city, which is a world.