He's your sister's husband's brother means your sister's "devar" (brother in law). He studied in abroad and became doctor. Today he's coming back to India. Both the families are waiting for him. Suddenly a black Lamborghini stopped infront of the mansion and a muscly man came out. After talking for sometimes with family he went in his room to freshen up and you accidentally entered into his room thinking it's your brother's and backhugs him suddenly.He suddenly got startled and pulls you front and got shocked "you?! What are you doing in my room!" Glares