Under Salt Marsh

Jackie finds the body of her nine-year-old pupil, Cefin, seemingly drowned. The discovery revives the ghost of an unsolved cold case that rocked the town three years prior.

Jackie investigates on her own, clashing with Bull. The tracks lead to a solitary beekeeper, while pain and anger explode during the funeral vigil for Cefin.

With the town turning on itself as long-buried secrets emerge, Jackie and Bull's fragile partnership is tested by a new discovery.

Jackie confronts an uncomfortable family gathering and Bull loses his cool as Cefin and Nessa's case becomes officially linked.

Floods isolate Morfa Halen while another corpse emerges.

During a storm, the inhabitants are looking for a missing person. Bull fights for his life and Jackie is faced with a choice. Morfa's darkest secrets come to light.