Jan's communist father accused of murder, goes into hiding. Jan befriends Max who aids in search for truth. Max killed by Nazis. Jan flees on barge, meets Erika who helps him escape police and find his surviving father.

1934, Germany. Jan is a 13 year old boy, who is raised without a mother. His father, a communist, is accused of a political murder, and predicted to be shot by the police when he was on the run. Jan lives with his aunt and finds a friend, Max, who wants to help him to find out what really with his father happened. During a conspirative gathering Max is shot by SA (Nazi paramilitary) and Jan succeed to escape in a barge. Erika, the daughter of the captain of the barge, and a boatman hide him. They try to help Jan to escape from police and find his father, who really survived.—gelecegim