Rebecca escapes from a psychiatric ward to the Ore Mountains. She wants to find out why her husband Henry suffers from depression. She suspects that the key to the truth lies in the past, of which he doesn't like to speak. In the dark mystical world of dense forest and unhospitable villages only one person seems to be willing to help her: forest warden Tom. Rebecca's search turns into a nightmare where it is hard to ascertain what is real and what isn't.