Kyung-chul is a dangerous psychopath who kills for pleasure. Soo-hyeon, a top-secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take vengeance against the killer, even if it means that he must become a monster himself.
Honed from childhood into a merciless killing machine by a criminal organization, assassin Sook-hee is recruited with the promise of freedom after ten years of service. However, secrets from her past destroy everything she’s worked for and now she embarks on a roaring rampage of revenge.
Ethan learns he carries the spirit of a warrior who battled dragons in 16th-century Korea -- and one day he'll find a tattooed girl carrying the spirit of that warrior's beloved. Years later, he meets Sarah and dragons soon descend on Los Angeles seeking out the two souls of the ancient lovers.
