19岁的Agnes回到了柏林避暑小屋(Berlin Summer House),她从小在那里长大。在那里遇到了自己暗恋很久的男孩Constantine,他成为了一名作家,面对他复杂的家庭和生活,Agnes该怎样说出她的爱呢?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.