Kim Dong-sik works at a securities firm. When his wife's business grows and his position at home gets blurred, he starts to feel inferior and becomes concerned. He has an affair as a means of escape. But he ends up supporting two homes and Dong-sik falls into deeper despair. Meanwhile, his wife and mistress are quite realistic so they form an unspoken alliance and decide to share Dong-sik. Though Dong-sik tried to ignore and escape the reality before him, he ultimately ends up in the hole he dug himself. Dong-sik wishes everyone would forget about him.