As If It Were Yesterday 1980 on netflix

Documents the little-known heroism of the Belgian Resistance who, during the Nazi occupation, hid over 4,000 Jewish children, rescuing them from deportation and extermination, , often risking their own lives. Directed by Myriam Abramowicz and Esther Hoffenberg, children of parents who spent the war in hiding, the film inspired the creation of The Hidden Child, a world-wide network of hidden children, which, for three decades, has organized reunions of hidden children with the families who hid them in Belgium during WWII.