Theres and Kenneth are both young when they first meet whilst on holiday. They fall in love but are unable to prevent themselves from losing each other. Thirty years later, in another country, another couple: Ariane leaves her husband David because she no longer loves him. The paths they both take lead them to Kenneth and Theres.
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 Irene's writer son Konstantin. Konstantin's girl-friend pops in, too, and all of them drift away from each other more and more.
