11-year-old Antoine is spending his holidays with his grandfather in the country. One night, from a perch in his cabin, Antoine spies thieves stashing their loot away on an island in the pond. He secures the 40 million, sending the bogus tourists into a panic. However his new friend Liza is the daughter of one of the hoods ; suddenly the children are in dire straits. Their flight from danger turns into a gay outing until a clod-blooded killer picks up their trail.