It's at night and some teens drive their car into a pool or a super clear body of water. I'm pretty positive it's a pool and not a lake or something. I think there were 5 teens altogether in the car and the black guy in the backseat breaks his neck or back and it's bloody so the girl has to hold up his neck so he doesn't move it. One at a time all the kids have to quickly open the car door and swim up without letting too much water get into the car. Eventually the water almost completely fills the car and I don't remember how it ends but I'm pretty sure they all live.