Death at the Dinner Party

Raunak invites the CB-CID team along with Samaira for a surprise dinner party with his fiancée! Samaira doesn’t want to go, considering her mixed feelings for him. However, she ends up going. The power suddenly goes out at the hotel and a man ends up dead after two loud gunshots! Who is he? What was he doing alone at the party dining? Why do the man’s mobile locations end up being the same as Raunak’s for a whole week before his death? Why does Raunak turn pale when he finds a note addressed to him? Is the deadly sinner back again?