Hanneke lives in Amsterdam during World War II. The streets of Amsterdam are filled with Natzi soldiers, so she has to flirt with them to keep them from asking her questions about he packages in her basket.
Mrs.Janssen asked Hanneke to find a missing jewish girl, Mirjam. Mrs. Janssen had been hiding Mirjam in her home after her last hiding place had been raided by the SS and resulted in the death of Mirjam's family.
Hanneke rode all over town trying to find information on Mirjam. Hanneke found that Mirjam attended school at the Jewish Lyceum. She went there looking for a picture of Mirjam.
Ollie (Bas's younger brother.) found out that Hanneke was at the school. He arranged for Hanneke to meet at a supper club where Judith could give informaion about Mirjam in a safe place.
Hanneke soon finds that the supper meeting is just a cover. The group is part of the resistance. Hanneke discovers that Jwes are beng rounded up and awaiting transportation to work camps at the Schouwburg.
After finding out that Mina left her cameras with pictures of what's been going on in Amerterdam in a stroller that is now in the Schouwburg the group makes a plan to disgue Ollie as a soldier, get the cameras, and save Mirjam.