"'Srulik, there's no time. I want you to remember what I'm going to tell you. You have to stay alive. You have to! Get someone to teach you how to act like a Christian, how to cross yourself and pray. . . . The most important thi...

During World War II a Jewish boy is left on his own for months in a ruined house in the Warsaw Ghetto, where he must learn all the tricks of survival under constantly life-threatening conditions.