不幸的姐妹/Hide & Sis/Hide And Sis/隱藏的姐妹/絕情姐妹花/災禍姐妹 Chatfah, the youngest sister of the Bupphachinda family, has just received the largest share of her father's inheritance and is about to be married. However, Chatfah falls from the highest floor of a vacation home to her three older sisters' shocked eyes. When her body disappears, her three sisters—Baibua, Chomphu, and Picha—become suspects in her disappearance.