The members of the Office of Naval Intelligence's Records and Reconciliation Branch, R2, assemble for their mission briefing at Arlington Hall. Their boss, Assistant Director Nanette Borne Broom, aka Nana, fills them in on the circumstances they're meant to investigate, which will take them to the island of Cuba. A communist outpost just 90 miles from the American mainland, R2 will have to watch their step as they get to work.