Episode 4 (S05E04)

Strike uncovers a chilling connection between Margot’s murderer and a series of other unsolved killings. Determined to bring the perpetrator to justice, he devises a clever scheme to ensnare the elusive killer. As he delves deeper into the investigation, the stakes rise, and Strike must navigate the complexities of the case while putting himself in harm's way. The tension escalates as he prepares to unveil the truth behind the string of violent crimes.