wow. she felt safe up here, somehow detached from the horror she was witnessing. and then it hit her. >> there was this moment where it was absolutely silent and you could hear a dog barking off in the distance and occasionally there'd be a shout, but other than that, it was so surreal, so silent. >> wow. >> yes. i won't forget that moment. >> water and debris piled up almost to the second floor. no one could leave. what was that like? >> that was the worst night of my life. >> a sleepless night, huddled in her boss's office, missing zach, but thinking he was okay further inland. and the next morning, a jolting aftershock, and more tsunami sirens. but then zach found her, and