When reporter Dan Geraldo arrives in Palombia to hunt for a scoop, he never suspects that he is about to make an incredible discovery... With his resourceful local guide Pablito, D an has one surprise after another during a thrilling adventure that allows him to bring the world some spectacular news: the Marsupilami, a mythical and mischievous animal, really does exist! You too will believe in furry tails!

Jean-Pierre Costa is a football manager upon whom fate appears not to be smiling. First, a friend, Annabelle, dumps a pet Labrador named Didier on him whilst she goes off to make a report in Los Angeles. Next, one of his star players is injured, leaving him one player short for a crucial match. As if things could not get any worse, Costa wakes up one morning to find that that Didier has been transformed into a man...