Leopold Socha is a sewer worker and petty thief in Lvov, a Nazi occupied city in Poland. One day he encounters a group of Jews trying to escape the liquidation of the ghetto. He hides them for money in the labyrinth of the town's sewers beneath the bustling activity of the city above. What starts out as a straightforward and cynical business arrangement turns into something very unexpected, the unlikely alliance between Socha and the Jews as the enterprise...

The story of a young girl who had to go into hiding during World War II for being different. Anne Frank's diary manages to create a truthful and timeless picture of domestic life in all its pettiness and normalcy, while never letting us forget the extraordinary threat of death that awaits the characters if they are discovered. This is the first authorized film based on actual entries of the real diary.