When a series of seemingly indiscriminate killings become ever more audacious Luther and new recruit DS Catherine Halliday are confounded by a tangle of leads and misdirection that appears designed to protect an untouchable corruption.
A new spate of nightmarish murders brings DCI John Luther to once again face the depths of human depravity on the streets of London. As the body count rises, and gangster George Cornelius applies his own pressure, can Luther catch a killer and save his own neck?