Chatfah is the youngest sister of the Bupphachinda family endowed with the largest part of the legacy from her father and is about to get married. Yet, she fell off the top floor of a vacation house with her 3 older sisters watching in shock. All of a sudden, her body disappeared making her 3 sisters including, Baibua, Chompoo, and Picha become the suspects and obligated to find out the truth. The deeper they dig, the more they find out about the rotten relationship hidden behind the word "family".
