"There's a thought," Yelena says. "I think I remember there being a media room on the tour. We could make a blanket fort, see if anything is actually hooked up to watch movies until we pass out."

Sleep, she knows, will be a long time coming, and not just because of the unfamiliar environment, the sense of trespassing. Spending part of the evening in friendly company might be better than sitting alone with her ghosts and trying to anticipate what Valentina might do next.