In 1942, when the German military began deporting Jews from the Warsaw Ghetto to the notorious Treblinka extermination camp, it became clear to Irena Sendler that time was running out – she’d need to take more drastic measures to help. Irena Sendler and a group of volunteers began the extremely risky task of smuggling Jewish children out of the Warsaw Ghetto. After the Second World War, Irena Sendler returned to her friend’s backyard to dig up the jars she’d buried, hoping to reunite the children she’d rescued with their parents and families.