The twelve-year-old Karli discovers he can travel through time in his parents' hotel via an old elevator, landing him on a floor in the year 1938. There, he befriends Hannah, a Jewish girl, and Georg, a shoe shiner. Together, they solve a criminal case, and Karli begins to understand the shadow hanging over his friends' world. The film is a German, Austrian, and Luxembourgish production from 2025.