The plot of the story is based on the time of the Second World War and the main character of the story is a Finnish boy (Eero Lahti). The biological father of Eero (Kari-Pekka Toivonen) is in the Finnish army. He dies in the front and Eero's mother Kirsti falls into deep depression. As the war gets worse, Eero is sent to Sweden to a new Swedish family. In the new family, he has a father Hjalmar Jönsson, mother Signe Jönsson and a grandfather (who cannot speak but hears everything). He also meets the neighbor’s daughter Siv.