Sikeurit plot
Sung-ryeol (Seung-won Cha) is a police detective charged with serious crimes. He was having an affair with a colleague's wife, which was the reason for his son's death in a traffic accident. He is consumed with guilt and cannot tell his wife the truth about what happened that day. His wife leaves him and goes abroad. When she returns one day for no reason, Sung-ryeol becomes curious. He discovers traces that indicate that his wife may be involved in a murder case and does everything to erase those traces. When a stranger starts blackmailing him with this, his wife does not want to tell him the truth.