When London-based reporter Rachel Walsh travels to Brighton to cover the disappearance of a young woman, she is shocked to discover that the woman is Clara O'Connor, her childhood best friend. The two met in high school when Rachel was the shy, awkward new girl and Clara was the friend everyone wanted. Now in their late twenties, Rachel has a great job and a fabulous boyfriend while Clara's life is spiraling further out of control. As Rachel probes Clara's disappearance, she begins to wonder: is it abduction, suicide or something else altogether? A haunting debut.