影片改编自杰米·普利马克·沙利文撰写的一篇关于一名女性在危机时刻保护家人的文章。讲述了一个母亲带着两个孩子来到父亲所在的豪宅度过周末，看似华丽的宅子却暗藏着许多秘密。

　　Miyu went to Seoul, Korea to study and look for her older sister who went missing two years ago. One day Miyu got to know Hana who was a famous plastic surgeon and she reminded of her missing sister. Hana lives with her lover Hyoshin, but she got attracted by Miyu. And Nyoshin felt jealous of Miyu. Miyu thought that Hana is actually her older sister and asked her to tell the truth. Hyoshin saw two of them talking and killed Hana because of jealous. Hyoshin tried to kill Miyu next and Miyu realized Hyoshin is her sister who had plastic surgery and changed her face. Finally Hana stuck a knife into herself because she knew Miyu always values her sister. Miyu survived, but lost her precious sister.