Dudi and Udi are back with a suspenseful story that takes place during
a secret mission to Poland. There, in the aftermath of World War II, they
stumble upon an unsolved mystery that demands a solution.
Who was Irena Sendler?
Where did she hide her lists of hidden children?
Who's trying to prevent them from finding the lists?
Is the blind old man really blind?
What's going on in the fenced-off construction site?
Join Dudi and Udi in the offices of the Jewish Refugee Committee and meet
Kofaleh, the loyal detective. Join their desperate search for the iron door
blocking the secret hiding place of the ghetto's treasures, and follow along
until the surprising end.