Oh Dae-hwan

The veteran detective Seo Do-cheol and his team at Major Crimes, relentless in their pursuit of criminals, join forces with rookie cop Park Sun-woo to track down a serial killer who has plunged the nation into turmoil.

Chinese secret agent Da-hee receives intel that a large number of illegal firearms are being smuggled into Korea and is sent to investigate the case. She meets Su-han, who is supposed to help her with the case, but due to his lackluster skills they fight over trivial things. But as their witnesses are suddenly murdered, the two of them quickly become the prime suspects.

A retired contract killer goes on a bloody rampage when a young girl finds herself at the mercy of gangland human traffickers and only one man can come to her rescue, with an arsenal of weapons and years of experience in the art of killing.

A son to a high-ranked official in North Korea commits a series of murders going across the countries around the world. The movie depicts the following events as South Korea, North Korea and Interpol start chasing down after him.

A woman's child is kidnapped and killed after paying the ransom. 15 years later, a mysterious figure is seen visiting the site of killing and another kidnapping occurs using the same methods. The woman teams up with a detective to catch the killer once and for all.