The Nazis have forced Natia and Teodor from their Polish farm to a labor camp.
Separated, Natia is chosen to be the housekeeper for the camp's overseer, and her husband Teodor is sent to work in the factory.
Despite the strict camp rules--and the consequences for disobeying them--Natia finds a way to communicate with Teodor by sending messages through song as she passes Teodor's dormitory.
But then Natia finds a Jewish orphan on the overseer's doorstep.
She is determined to protect the bo.