Review: Happy Valley (S2 E2/6), Tuesday 16th February, BBC1

Happy Valley got off to a rip-roaring start last week with our heroine, Catherine Cawood (Sarah Lancashire), plunged into a new vortex of hellishness when she was accused of the brutal murder and sexual mutilation of her nemesis Tommy Lee Royce’s mother, Lynn Dewhurst. It was something new for Catherine – her identity and persona…