After a fatal laboratory accident involving her mother, Nathalie returns to her childhood home in a small town in the Black Forest. Here, she stumbles upon her mother's secret series of tests and understands: Things weren't going right at the local sleep research center. Haunted by her dreams and reality, which are confusingly similar, Nathalie discovers a hidden ability within herself and stumbles upon a family secret that calls into question the circumstances of her mother's death. (MFG)