Once upon a time, somewhere in Poland, in a large forest, a poor lumberjack and his wife lived. Cold, hunger, poverty and the war raging all around made their lives very difficult. One day, the lumberjack's wife, walking near the railway line, found a small bundle thrown from one of the many trains constantly passing through the forest. Inside is a baby - a girl. This child, this "most precious of cargoes", will change the lives of the poor lumberjack's wife and her husband, as well as those she meets along the way... including the man who was forced to throw the bundle from the train. There will be those who decide to protect this tiny life, no matter the cost. This extraordinary story will reveal the worst and the best in human hearts.