Il caimano d'argento

Along the Amazon river, the ship “Boneca” on which Mister No is traveling is attacked by a gang of pirates. Jerry kills one of the outlaws and discovers that he has a small silver jewel with him, shaped like a caiman. He decides to carry out his own inquiry, but the Manaus police boycott him. When he has all but given up on the investigation, Jerry receives some unanticipated help….