Lost by Michael Robotham

In this gripping psychological thriller, a detective wakes up in a hospital with amnesia, only to discover he was found floating in the Thames with a bullet wound. As he struggles to piece together his fragmented memories, he becomes embroiled in a complex investigation involving a missing girl, a sinister crime syndicate, and a web of deceit that threatens to unravel his own life. With time running out and his own sanity in question, he must navigate a treacherous path to uncover the truth, all while confronting the ghosts of his past and the dark secrets that lie within.