When 12-year-old Karli moves to an old hotel in the Alps, he discovers an elevator that harbors a secret – it’s a magical time portal that transports him back to 1938! There, he befriends Hannah, a spirited Jewish girl, and Georg, a shoeshine boy. But when Georg is falsely accused of stealing, the children must solve a mystery case hidden within the hotel’s walls, all while the shadow of Nazi Germany begins to grow around them.

When successful archaeologist Ursula Scheuer makes a sensational discovery of a body during a bog excavation, her demented mother suddenly dies. Unexpectedly, a childhood trauma breaks out for Ursula. The appearance of her new assistant Mel is also puzzling: she seems to know Ursula’s past very well. Ursula is increasingly drawn into a mysterious web of fantasies and deceptions and must finally free herself from it.