Darkly comic coming-of-age story that follows 16 year old Bethan as she deals with the anxieties and insecurities of teenage life, along with the stark reality of a home life that is far removed from what she projects to her friends.

Ben Harper (Robert Lindsay), a misanthropic dentist, has little time for most people, including his wife Susan (Zoë Wanamaker), and their children Nick (Kris Marshall), Janey (Daniela Denby-Ashe), and Michael (Gabriel Thomson).

Police investigate when the body of a girl is found in a lake.

Change is afoot in the forgotten quarry town of Penwyllt, in particular for Margaret and Clive, whose ordinary lives are soon blown to smithereens.

Filmed in Welsh, the picture follows a young woman serving privileged guests at a dinner party in a remote house in rural Wales. The assembled guests do not realize they are about to eat their last supper.