Clare Mackintosh is the queen of the psychological thriller. She has penned another very suspenseful mystery centered around the protagonist Anna Johnson, who has lost both her parents to suicide. Or so she believes, until a note is left in her mailbox telling her to rethink that verdict. Clare takes the note seriously, relating her story to a front desk retired detective at the local police station. Murray the retired detective begins to quietly dig into the files of Clare’s parents, bouncing his ideas off his wife, who has mental issues of her own. The further he delves, the more he discovers that the note may have been correct. The twists and turns of the novel will keep you hooked, right up to the finish line. Another winner by Mackintosh.