Chatfah,theyoungestsisteroftheBupphachindafamily,hasjustreceivedthelargestshareofherfather'sinheritanceandisabouttobemarriedHowever,Chatfahfallsfromthehighestfloorofavacationhometoherthreeoldersisters'shockedeyesWhenherbodydisappears,herthreesisters—Baibua,Chomphu,andPicha—becomesuspectsinherdisappearanceTheeldestsisterBaibuaiscomposed,wise,andhasalwayssacrificedforherfamilyThesecond,Chomphu,isaconfidentmodelwhoseboyfriendChatfahstoleandwasengagedtoThethird,Putpichaya,isajewellerydesignerandtheclosesttoChatfahThethreesearchforChatfahwhilefurthertragedybefallsthemfollowingtheiryoungestsister'sdisappearanceWhennooneelsecanbetrusted,thethreesistersmusttrytotrustoneanotherTheymovebacktotheirchildhoodmansiontofindoutwhowasbehindChatfah'sdisappearance,whichcouldverywellbeoneofthem