How does Hitler come to Poland in August of 1939?

What is the signal for the young aviator to come see Maria?

How do Maria and Joseph feel about one another?

Why does Stanislav have to leave?

What happens to Poland after Hitler arrives?

Why is Siletsky going to Poland, and why does he get the names of people there?

How is Maria working for Poland?

What does Siletsky ask her to do?

How does Joseph try to protect her?

Describe the last elaborate act of the theatre group.