With Cuba on the cusp of change, a young American arrives. Gabrel Sourdough looks like a turista, but behaves like a man with more than souvenirs on his mind.His suspicious timing rejuvenates the ailing, paranoid Comandante. His odd movements launch rusty spies back into opposition. His desires expose the shady lives of a crafty old boxer and a desperate young girl, threatening their fragile survival.As the islanders search for clues to the mysterious traveler's purpose, questions about their own motivations emerge.