A family spends three summer days in a beautiful lake mansion close to Berlin. Together with her new lover, Irene visits her brother Alex, who still inhabits the house with her writer son Konstantin.

A family spends three summer days in a beautiful lake mansion close to Berlin. Together with her new lover, Irene visits her brother Alex, who still inhabits the house with his writer son Konstantin. Konstantin's girl-friend pops in, too, and all of them drift away from each other more and more.