Chatfah, theyoungestsisteroftheBupphachindafamily, hasjustreceivedthelargestshareofherfather'sinheritanceandisabouttobemarried.However, Chatfahfallsfromthehighestfloorofavacationhometoherthreeoldersisters'shockedeyes.Whenherbodydisappears, herthreesisters—Baibua, Chomphu, andPicha—becomesuspectsinherdisappearance.TheeldestsisterBaibuaiscomposed, wise, andhasalwayssacrificedforherfamily.Thesecond, Chomphu, isaconfidentmodelwhoseboyfriendChatfahstoleandwasengagedto.Thethird, Putpichaya, isajewellerydesignerandtheclosesttoChatfah.ThethreesearchforChatfahwhilefurthertragedybefallsthemfollowingtheiryoungestsister'sdisappearance.Whennooneelsecanbetrusted, thethreesistersmusttrytotrustoneanother.TheymovebacktotheirchildhoodmansiontofindoutwhowasbehindChatfah'sdisappearance, whichcouldverywellbeoneofthem.