I screamed instinctively, my voice piercing the air. But before I could do anything else, Betty’s voice cut through the chaos. "Stop!"

The next thing I knew, she was rushing forward, taking on both men like some kind of action movie hero. It was only then that it truly hit me—Betty knew how to fight. Every movement was fluid and precise, like this wasn’t the first time she’d been in a situation like this. The two guys who had grabbed me immediately turned their ...