When the Nazis start to round up Jews in Germany, Otto Frank (Paul Scofield) seeks a way to protect his family, including his teenage daughter, Anne (Lisa Jacobs) ; he decides to hide his brood in the attic above his office. However, he will need the aid of his business assistant, Miep Gies (Mary Steenburgen). Despite the risks, Miep and her husband, Jan (Huub Stapel), with the help of other admirable citizens, do everything possible to throw the Nazis off the trail of the Franks.