Howling (2012 film)

Howling Hangul RRHaulling MRHaulring is a 2012 South Korean film written and directed by Yoo Ha based on the 1996 novel The Hunter lit. Freezing Fang by Japanese writer Asa Nonami. The plot follows two detectives, a veteran male cop Song Kangho and female rookie Lee Nayoung, who discover that the serial killer they are after is not human, but instead a dog.

Source: Wikipedia