In an American desert town circa 1955, the itinerary of a Junior Stargazer/Space Cadet convention is spectacularly disrupted by world-changing events.

Salt-of-the-earth Cole falls head over heels for enigmatic Sadie — but then makes the shocking discovery that she’s a secret agent. Before they can decide on a second date, Cole and Sadie are swept away on an international adventure to save the world.