The third and final season picks up with Catherine close to retirement when she discovers a murder victim that leads her back to Tommy Lee (James Norton), the father of her grandson (Rhys Connah) and the person who was the reason her daughter died. [Premiered originally in the UK on 1 Jan 2023 on BBC One and in US on Acorn TV/AMC+/BBC America on 22 May 2023]
Premieres May 22, 2023