Forensic psychiatrist Jo Beckett’s specialty is the psychological autopsy – an investigation into a person’s life to determine whether a death was natural, accidental, suicide, or homicide. She calls herself a deadshrinker instead of a headshrinker: The silence of her “patients” is a key part of the job’s attraction. When Jo is asked to do a psychological autopsy on a living person – one with a suspect memory who can’t be trusted to participate in his own medical care – she knows all her skills will be put to the test. Jo is called to the scene of an aircraft inbound from London to help deal with a passenger who is behaving erratically. She figures out that he’s got anteretrograde amnesia, and can’t form new memories.