Dr. Susanne Meissner is an divorced woman with three children,Toni,Valerie and Ludwig.She has a new friend, Markus Sedlow, the mathematics professor of Toni.Susanne wants to go on holidays with Markus at the sea,but Ferdinand, her ex-husband can't take care for the children in these holidays.So she decides to go to the mountains with Markus and her three children.Toni and Markus don't feel well together, because Toni had bad notes in the mathematics class and Markus asked him to study more.Then Markus must prove that he can be a new partner for Susanne and the three children.—zutterjp48