Joong-ho is a dirty detective turned pimp in financial trouble as several of his girls have recently disappeared without clearing their debts. While trying to track them down, he finds a clue that the vanished girls were all called up by the same client whom one of his girls is meeting with right now.
A Korean man in China takes an assassination job in South Korea to make money and find his missing wife. But when the job is botched, he is forced to go on the run from the police and the gangsters who paid him.
A serial killer reappears 15 years after his murder spree with a book detailing his crimes. The resentful cop who failed to catch him before is assigned to protect him. The families of the victims plan revenge. And as the media circus spirals out of control, a masked man called "J" appears claiming to be the real killer.
