<p>Christmas Eve. <p/>Bettina and her husband Albert aren't happy. <p/>Bettina's mother is staying for the holidays. <p/>Which is awkward. <p/>Not least because Bettina's mother met a man on the train. <p/>And now she's invited him around for drinks... <p/>Family betrayal and the inescapable presence of the past reverberate through the UK premiere of Roland Schimmelpfennig's razor-sharp comedy.</p>