X jumps first. Down in the water, he's not allowed to change position. The goal for Y and Z is to jump as close as possible to X. The one who jumps closest to X wins the game. Measuring their power and proving themselves is part of the boys' everyday life. Even for the 13-year old gentle-natured Yannik. Until his best friend's upcoming sexual curiosity suddenly puts him in a threatening situation. Where is the line between game and reality and what happens if that line is crossed?