Two young men happen to kidnap their friend and demand ten billion won as ransom.
Detective Ma Seok-do changes his affiliation from the Geumcheon Police Station to the Metropolitan Investigation Team, in order to eradicate Japanese gangsters who enter Korea to commit heinous crimes.
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.