FROM THE #1 BESTSELLING AUTHOR OF THE DR RUTH GALLOWAY MYSTERIESA propulsive new thriller set in London featuring Detective Harbinder Kaur. A murderer hides in plain sight - in the police. DS Cassie Fitzherbert has a secret - but it's one she's deleted from her memory.In the 1990s when she was at school, she and her friends killed a fellow pupil. Thirty years later, Cassie is happily married and loves her job as a police officer. One day her husband persuades her to go to a school reunion and an...