Ma Gang-se (Kang Pil-seon) is branded at work as the pervert professor and in the end, he gets fired. He thinks there's no more reasons to live and leaves on a trip by himself before he commits suicide. On his trip, he meets a mysterious woman named Sara. He spends every night with her and satisfies his erotic fantasies, However, Kang-se starts to suspect her existence as she appears and disappears all the time. Finally, the shocking truth about her is unveiled...
Kang Pil-sun-I
as Ma Gang-se
Lee Moo-nyoung
as Deok-bae (덕배)
Son Ga-ram
as Sa-ra (사라)
Jeon Ye-eun
as Myeong-ja (명자)
