The story of Irena Sendler, a social worker who was part of the Polish underground during World War II and was arrested by the Nazis for saving the lives of nearly 2,500 Jewish children by s... Read allThe story of Irena Sendler, a social worker who was part of the Polish underground during World War II and was arrested by the Nazis for saving the lives of nearly 2,500 Jewish children by smuggling them out of the Warsaw ghetto.The story of Irena Sendler, a social worker who was part of the Polish underground during World War II and was arrested by the Nazis for saving the lives of nearly 2,500 Jewish children by smuggling them out of the Warsaw ghetto.