David Winter

Kati and Steffi are best friends since childhood. But as they step into adulthood, both their perfect friendship and their personalities get harshly tested by a series of unfortunate events; mainly caused by Steffi finding out her father wasn't quite faithful to her mother, and the two girls getting hit by the consequences of her delirious revenge plans. When things get out of hand, Kati starts questioning whether or not Steffi is really so precious to her. (imdb)

The main character is the girl Luca, dressing up as a boy (quite convincing, actually) and taking the place of a boy who prefers the career of a runaway. Chico, her new best friend, falls in love with her (after some unsuccessful sex adventures) and believes he's gay... (IMDB Comments)