Mie, a young woman with loss of memory, is stuck in a mental hospital. She gets a visit from DI Wolkers who claims she's the key in a mysterious disappearance case. The visits of the inspector and her family very slowly awakens her memory. Everything seems to have started at a remote house in the woods. The more she remembers, the more she starts to distrust the people around her, but most of all herself. Are the new memories real or is it her imagination who tries to fill the gaps in her memory.

Pyromaniac Vronsky's intentions are not clear, but he starts to win Mie's trust. Inspector Wolkers confronts her with evidence she knew Thomas De Geest well. Mie keeps denying this, but she realizes Thomas sought contact with her. She also remembers how some strange events at the forest house brought tension with Benoit. Wolkers tries something new and takes Mie for a walk in the forest. He hopes it will refresh her memory.