My stepfather beat my twin sister and me every day because he enjoyed our fear. One night, he sent us both to the hospital unconscious. What he didn’t know was that we’d already spent months preparing for that exact moment.

Dr. Grant had just locked the door from the outside. He had locked Raymond and Celeste in the room with us.

Through the small, reinforced glass window in the door, we watched Dr. Grant turn immediately to a massive, broad-shouldered hospital security guard standing near the nurses’ station.