Investigating the murder of a property developer in Yorkshire, Detective Chief Inspector Alan Banks and his team begin scanning the victim's security tapes only to discover that a brutal second crime was also captured.

Inspector Alan Banks heads to London after receiving a disturbing call from his estranged brother, while back in Eastvale, detective Annie Cabbot's investigation of a young woman's death uncovers a connection to someone close to Annie.

When Detective Inspector Banks and his team look into two suspicious deaths, their investigation is complicated by the return of an old enemy.