After Ruth moves in with her boyfriend in a remote holiday park, tensions rise as she makes an unsettling discovery that lures her into a spiral of obsession.

DI Cadi John and DC Owen Vaughan try to solve a case involving Mali Pryce, a young woman whose body was discovered in a stream in the woods.

Two teenage girls in 2015, in search of freedom, friendship and belonging, run away from their troubled lives in a seaside town with a misguided plan of traveling to Syria.