1989. DS Benjamin Chambers and DC Adam Winters are on the trail of a serial killer with a twisted passion for recreating the world's greatest works of art through the bodies of his victims. After Chambers nearly loses his life, the case goes cold due to lack of evidence. The killer lies dormant, his collection unfinished. Seven years later. DS Marshall has excelled through the ranks of the Metropolitan Police Service, despite being haunted by the case that defined her teenage years. She obtains new evidence and joins Chambers and Winters to reopen the case. However, their resurrected investigation brings about a fresh reign of terror, the team treading a fine line between justice and vigilante in pursuit of a monster far more dangerous and intelligent than any of them had anticipated.