Cleaning plans, empty beer crates and an exploding coffee machine are the least of the problems in the Kreuzberg shared apartment of Julian Meier, Kasimir Müller and Max Schmidt - the three boys couldn't be more different.

Young Tim leads an easy life - spoiled by his eccentric mother and his older, well-to-do boyfriend. Then, one day, he meets Bosi, a straight, low-level criminal thug, and falls in lust with him. Thus begins and impossible and potentially dangerous affair on the hard streets of Germany.