The story of the family of lawyer Sofie and Commissioner Thomas that is struck by fate. Their five-year-old son, Arthur, disappears without a trace. This tragedy makes Sofie question her life. She ends her career as a criminal lawyer and starts training as a police officer. Three years later, she has a clear goal: to lock up as many criminals as possible while continuing to passionately search for her missing son.

It's summer, and Lea is twenty years old. Far from ordinary life, under the August sun, she drags her questions around with her, torn between being a child and being a woman. Sheltered by the family vacation home, so safe and secure, she comes to terms with her secret.