 Luise wants to celebrate a traditional family s christmas this year, instead of going on a skiing holiday with her husband Gideon and her two daughters like the last years. She was motivated to do this after listening to a text that Franz, one of her pupils, has written in class. He s invited to stay at her s cause he doesn t have a big family. But the relatives that are joining the family do bring all sorts of troubles, beginning with the egoistic mother Ruth ...