Angela Marsons' novels have become undisputed international bestsellers, second in sales only to Paula Hawkins' The Girl on the Train. Police Inspector Kim Stone is investigating the murder of a former rapist who has long served his sentence and was released for good behavior. He was ambushed on the street and stabbed to death by the woman he had once abused. Kim knows this woman, and it is very strange to her that such a broken, spineless person could commit murder. The inspector learns that until recently the victim of violence went to sessions with psychiatrist Dr. Alex Thorne. It turns out that several other people who unexpectedly committed serious crimes also attended these sessions. Is Dr. Thorne playing evil games?..