Mia, 12, is spending her vacation at a lake in the Black Forest with her parents, who have been separated for years, and their new partners. While the adults try to keep things light, Mia escapes more and more often into the forest, where she meets a mysterious boy. On the morning of her birthday, Mia disappears. The fragile family structure is turned upside down and Mia's new freedom becomes increasingly dangerous.

Yalda, Solveigh and Lou have shared a close friendship since childhood. But when Solveigh suddenly takes her own life, Yalda and Lou are left with the lingering question: how could it come to this and which one of them is more suitable to take custody of Solveigh’s five-year-old daughter?