Alone

Conjoinedatbirth,AnjanaandSanjanaweretwinsisterswholivedbyonepromisemadetoeachother-'Wewillalwaysbetogether.Wewillneverseparate'.Mysteriouscircumstancesleadtothedeathofonewhiletheothersurvived.Yearslater,theghostofthedeadcomesbacktohauntthesurvivingsister.Whywasthepromisebroken?