Hyun-dae who seems to live an ordinary life feels sexually unsatisfied and empty which he tried to overcome through Min- ju, an anchor at a broadcasting company. Min-ju is also a sex partner of Professor Chun-bae, Hyun-dae's college senior. Although Hyun-dai has his wife, Sun-i, who has been very loyal to him, he can't stop thinking about the ecstasy he had while having sex with Min-ju. In the meantime, Sun-i started to feel suspicious of Hyun-dae.