Veteran detective Sang-gil and beat cop Eun-yeong are in charge of a case that seems to involve a simple act of self-immolation. Sang-gil initially thinks that it was an accident, but dog bite marks discovered on the body lead him to believe that someone had terrorized and murdered the victim.
With Sang-gil working secretly and hoping for a promotion, he and Eun-yeong investigate the source of the drugs found in the body and discover the victim had been pimping out youn...more

Veteran detective Sang-gil and beat cop Eun-yeong are in charge of a case that seems to involve a simple act of self-immolation. Sang-gil initially thinks that it was an accident, but dog bite marks discovered on the body lead him to believe that someone had terrorized and murdered the victim.
With Sang-gil working secretly and hoping for a promotion, he and Eun-yeong investigate the source of the drugs found in the body and discover the victim had been pimping out young girls. At the same time, another murder involving a wolf-dog crossbreed occurs, revealing teeth marks similar to the one’s on Sang-gil’s body. The two cases are labeled serial killings. With a connection between the victims uncovered, Sang-gil and Eun-yeong track down a potential witness. While questioning her, one of the mysterious dogs strikes out of the blue, killing the witness and stunning the cops. Though they don’t realize it yet, integral to the case is retired police dog trainer Myeong-ho, living with his drug addict daughter and still training dogs. It’s not long before the detectives find a link between the dead men, Myeong-ho, and his daughter’s tragic circumstances. As it turns out, there’s one more victim yet to come, part of a grand scheme of revenge that sees Sang-gil and Eun-yeong tracking one of Myeong-ho’s killer dogs as it strives to complete its mission.
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