Help me know the group & song!!!?

It was 2002-2004. In the video, 4 blk girls are sitting on a roof. It was a sunny day. A girl has a bf, Family don't like him. She sits in her room waiting for him to call. The 4 girls ara singing. They are standing. The girl is crying. Someone calls her. She goes down to a police seen to look if her bf got shoot. She look around. Thought he died. She walks away, Bf comes up. They hug & walk away. It has 4 girls in it & it was a R&B or Hip~Hop group. It was they're only song out...If anyone knows this group & song, Could you please help me out...Thanx...Ray "J" rayj07baby@yahoo.com