Ha-young goes to a host bar and meets a young man named Hyeon-woo, with whom she travels to the seaside. Ha-young intends to swindle money from Hyeon-woo, but there, Hyeon-woo meets a woman named Jin-ah, and the three travel together. Without Hyeon-woo's knowledge, Ha-young and Jin-ah devise a plan to scam men. Their plot is to shorten the lifespan of an elderly chairman whom Ha-young relies on and seize his entire fortune. Ha-young plans to film Jin-ah having sex with a young man and show it to the chairman. The goal is to cause the chairman, who has a weak heart, to die suddenly from excessive excitement. Ha-young films the intimate scene between Jin-ah and Hyeon-woo and shows it to the chairman. As expected, the chairman suffers a heart attack and falls into a brain-dead state.