A Bag of Marbles is a gripping true story of two young Jewish brothers, Maurice and Joseph, who must navigate the dangerous landscape of Nazi-occupied France during World War II. Separated from their family, the brothers embark on a treacherous journey, facing anti-Semitism, collaboration with Nazis, and the constant threat of being discovered. Through their resilience, resourcefulness, and the support of strangers, Maurice and Joseph learn the power of brotherhood and the determination to stay alive.