Series 1
After two horribly mutilated bodies are discovered, DCI Red Metcalfe is assigned to the case and plunged head-on into a nightmare.
Series 2: Vengeance Is Mine
When DCI Red Metcalfe's own estranged brother is found knifed in the hustle and bustle of Leadenhall Market, the hunt for justice gets personal.
Series 3: The Promise
DCI Red Metcalfe's renowned ability to get under the skin and into the minds of deranged killers is put to the ultimate test when he is forced to confront an old adversary - Pace Tierney, an enemy Red thought he had put inside forever.
Series 4: The Harrowing
DCI Red Metcalfe's latest murder investigation is stifling and intense. The killer has really got under his skin. As the murder count escalates, Red becomes increasingly frustrated as the clues left behind on the victims' bodies continue to confuse him.
Series 5: The Rapture
DCI Joseph Walker's renowned instincts and tenacity of character are questioned as his personal demons invade his latest investigation.