Rianne and Freek have three adopted children. They have a stable and happy family until the eldest son, Gilles (17), doubts his parents' love and sets off in search of his roots in Belgium. The family atmosphere is disrupted. Freek manages to calm the conflicts by talking, but swallows a lot of feelings. This affects his health. Rianne doesn't know whether she can keep the family together on her own.

Six people are about to undertake a journey by foot from the very north of the Netherlands to the very south, in search of the mountains. Only two of them reach the destination.