How does peters plan to get a group of people to a safe place Number the stars?

In "Number the Stars," Peter Neilsen plans to get a group of Jewish people, including Annemarie's friend Ellen, to safety by guiding them through a series of secret routes to escape the Nazis. He coordinates with the Danish Resistance and uses his knowledge of the area to avoid patrols. Peter's careful planning and bravery are critical in ensuring the group's safe passage to neutral Sweden. His actions reflect the courage and solidarity of those resisting oppression during the war.