Doctor Monkey: Lady Killer (2015)

Doctor Monkey Lady Killer, the second film in the Doctor Monkey series, is a Chinese wuxia drama set during the Qing dynasty. By day, Yang is a kind doctor; by night, he's the gentleman thief known as 'Iron Monkey.' A series of disappearances targeting young women has occurred in the town. Investigating, Yang discovers that all the evidence leads to Madison, a British opium dealer.