Sophie, a student of Egyptology, and Christoph, an unemployed actor, respond to a box number following a job advertisement in the daily newspaper: “Who will look after my house for six weeks for good pay?” Without knowing about each other, both are accepted. They meet for the first time when they arrive at the house. The rules say that they can do whatever they want in the house. The only condition: they are not allowed to enter one room, which is locked. And they have to spend the nights in the house.

No sooner have they accepted the job than strange things start happening. The two inhabitants are sure they are being watched, even manipulated. More and more, they project their own repressed thoughts onto the forbidden room. Between dream and reality, they develop a labyrinth of emotions…