Idris Elba stars as DCI John Luther, waging his own passionate and ruthless war on crime.
Luther, back from suspension, must solve a seemingly perfect double murder.
Luther faces a surreal and nightmarish case of a man who murders wearing a Punch mask.
Luther investigates two horrific cases, unaware his every step is under scrutiny.
Luther is pulled back to duty to investigate the crimes of a gruesome killer.
