The movie had some nice moments, but there were just too many holes in the plot. When you start thinking about it, there are several obvious ones. How did she get out of that elevator after being trapped for 10 minutes? Even if she fell down a steep staircase, how did she stop herself from hitting her head? How did she stop herself from hitting her head? How did she stop herself from hitting her head? How did she stop herself from hitting her head? How did she stop herself from hitting her head? How did she stop herself from hitting