Rome, summer 1943. Four children play war while the bombs of real war explode around them. Italo is the rich son of the Federal, Cosimo has his father in confinement and an atavistic hunger, Vanda is an orphan and a believer, Riccardo comes from a wealthy Jewish family. They are different but they don't know it and between them "the greatest friendship in the world" is born, impervious to the divisions of history that bloodies Europe. But on October 16 the Jewish boy is taken away by the Germ...