Hoping to entrap Maria von Gall who runs a courageous underground railroadfor Jews in France, the Nazis kidnap her son Thomas, a brilliant 11 year-old chessplayer. An exchange goes awry and he sees his mother die in a hail of bullets. He isrescued by his American father who he has never met before, and who plans to fleewith him to Spain. However, Maria had entrusted her little pawn, Thomas, with aprecious secret and a terrifying mission. A pawn may become an important piece byslowly advancing through the enemy's ranks. Or a pawn may die trying. But a pawn cannever retreat.