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.
After a few months of social adjustment training, the North Korean refugee Jina moves to a small studio in Seoul and starts her new life. To bring her father to South Korea, she needs money but no matter how hard she works, the discrimination doesn’t let her save enough money.
It's not true that I remember my husband's disappearance and the strange events that happened. Soo-yeon is consulted by psychiatrist Jeong-woo after her husband Yeong-min disappears, and Jeong-woo visits the site and advice Soo-yeon whose memories are confused to visit the place where she first met...
