Su-mi, who is tired of Ki-seok's perverted sex life, decides to divorce her and rips the divorce papers when Ki-seok, who has won the lottery consecutively, appears. In order to get Ki-seok's money, Su-mi invites Seong-ho, who had cheated on her in the past, into her house. Seong-ho also invites Chae-yeon, a flower snake from Sinsa-dong, who is delighted with money, and launches a huge scam. Chae-yeon, Seong-ho, and Su-mi deceive each other in order to win Ki-seok's money. But the counterattack of the formidable Ki-seok is also getting stronger....