A policewoman makes her ex-boyfriend an offer he can't refuse: either he infiltrates and informs on a gang of hooligans, or his brother goes to jail.

A psychiatrist retreats to a remote house with his wife and her mentally disabled brother to finish a book on the therapeutic use of the psychodelic compound DMT. But the stillness of the countryside soon gives way to disturbing phenomena, as the boundary between dream and reality begins to dissolve.