Meine Frau, meine Freunde und ich (2004)

About a man who suffers hell on earth after accidentally hitting his girlfriend. Richard, actor in a daily soap opera, wants to brighten up his crisis-prone girlfriend Katja and organizes a birthday party. After the guests had left, he wants to sleep with her, but she doesn't want to. When Katja playfully repulses his advances, Richard inadvertently knocks her unconscious.