Kimmy and Dora Go Dong-hae remain good sisters despite their differences and misunderstandings. One day, their father decides to bring them to Korea, where their family originated. There, the two learn that one of them should marry a Sang, a well-off clan. Contented and happy with their respective relationships, Kimmy and Dora refuse to engage in the fixed marriage. However, things become outrageously strange for the two sisters when a ghost begins to haunt them. Uncovering a past about their family, Kimmy and Dora find out that the only solution to end their terrifying experiences is to make the ultimate sacrifice of marrying someone neither of them loves.
