Tanja has found her dream apartment in Stuttgart: an old building, three rooms, in the best location. The catch: she can never afford the apartment on her own. So she quickly holds a roommate audition and ultimately chooses Chris, who works at a call center, and Rolf, a postman who moves in with his pug, Earl of Cockwood. Tanja is smitten with these handsome guys. It's no surprise that she is the last to notice that Rolf and Chris are becoming a couple. The heartbreak is significant—especially when Marc, Tanja's ex, shows up with his pregnant girlfriend. Tanja, the guys, and the pug vow to take revenge...