That Demon Within (2014)

Wang Weiye (played by Daniel Wu), who has been in the police for seventeen years, is extremely uneasy due to childhood and family reasons. At the same time, he upholds an absolute sense of justice, so that he goes overboard in his dealings with others and has difficulty communicating with his colleagues. . One night when he was stationed in the emergency room, Weiye helped someone who was in urgent need of a rare blood type...