H Division are tested to the limit as the series concludes. Drake and Reid are closing in on the Whitechapel killer, and when Reid’s friend Miss Goren translates some Ukrainian diaries they have nearly all the clues they need. But they’re unprepared for a betrayal by one of their own, and this blow, along with what Drake feels is Rose’s betrayal, sees the inspector return to his brawling days.

Reid, however, even when faced with losing his daughter again, is altogether harder to rattle and continues to give Sherlock Holmes a run for his money. Between them, can they outwit the killer and his protectors? A thrilling final episode which will keep you on the edge of your seat until the last minute.