Niels and Maria, in their mid-twenties have been a couple for two years. Their relationship is open, sexuality and adventure determine their carefree everyday life. It is summer, they are without obligations and live free of rent at his wealthy uncle’s apartment. They live into the day without worries, go to parties and like to test the common seduction skills in public. And yet both deal with it differently, both have their own individual tolerances and limits. This becomes clear at the latest when they meet Chloe, a London doctoral student on a train. Maria takes the first step - and so a flirt quickly develops into an intense romance between the two women. Niels soon joins them and she increasingly becomes an integral part of their lives. The three young people let themselves go according to the Berlin free spirit and plunge into one or the other love adventure. Without any worries and hardships, they question the common moral concepts and live in here and now. After initial complications, the trio experiences a carefree time together - until an unexpected message puts the three lovers’ relationship to the test.