"I knew it," Tom says. His face is pale, and his eyes are wide. "We're on Amchitka, aren't we?"

"What?" Aiden shouts, his gaze landing on Tom. "That's been your suspicion this whole time? Why didn't you say anything to me?"

"What's Amchitka?" Marjorie asks, seemingly as confused as I am.

"An island that the US government used for nuclear testing after World War Two. They shut down all testing in 1994, and the island is restricted to government officials ...