Newly promoted detective chief superintendent elizabeth bancroft returns heading up a new merged police service. Revered by colleagues and delivering impressively low crime figures, bancroft is riding a professional high. However, this success comes at a great cost as she's left isolated and estranged from her beloved son joe and facing increasing pressure from her dangerous pact with crime boss daanish kamara. When a disturbing double murder brings her personal and professional life crashing together, she is forced to confront a chilling new enemy. With threats closing in from all sides, the repercussions of her past actions will come back to haunt her in ways she could never have expected.