You are Karsten, Steffis boyfriend. You're coming home, bringing a present for your girlfriend. But not shoes or jewelery, you bring a balloon. Of course Steffi is upset. Haven't you agreed to stop playing with balloons and deal with your obsession? It's a growing problem for your relationship, but Steffi gives you one last chance.
You're in bed with Angel to have a nice and sexy balloon party with her. But suddenly Karina (your girlfriend) enters unexpected and is, of course, not happy to see you cheating on her. She is full of anger and starts to pop Angels balloons. I doesn't take long 'til the girls notice, that not the balloons are to blame. So they team up against you and have a balloon party without you. At least, they let you watch. PART II