Yeong-hoon realizes that he is strangely drawn to Mi-ran, a married woman, who is one of his colleagues at work and adored by many men. Yeong-hoon keeps flirting with her constantly and he finally ends up having a passionate sex with Mi-ran. He becomes deeply drowned into her allure. One day, Yeong-hoon receives a shocking video message when he visits Mi-ran’s house. The video informs him that Mi-ran’s couple has been using Yeong-hoon as their sex partner. Mi-ran’s husband, Jeong-wook invites hi...