A dead high schooler rises from her watery grave to take revenge on the jealous cheerleaders who drugged and murdered her. A dead high schooler rises from her watery grave to take revenge on the jealous cheerleaders who drugged and murdered her. A dead high schooler rises from her watery grave to take revenge on the jealous cheerleaders who drugged and murdered her. A dead high schooler rises from her watery grave to take revenge on the jealous cheerleaders who drugged and murdered her.