A debut psychological thriller from a major new talent Whatever you do, don’t open the door… By day, Ellie Power has a normal life. She has a stable home, a loving boyfriend, a future. But at night, she suffers from a sleep disorder. She becomes angry, unpredictable, violent. Her mother locks her in her bedroom every night, to keep them both safe. Then one morning, Ellie wakes up, horrified to find the lock on her bedroom door smashed from the inside. She is covered in injuries, unable to remember anything about the night before. And her boyfriend Matt is nowhere to be found…