Hitchhiking girls Eila and Tilly end up at screenwriter Saku's summer house by mistake, thinking it's their cousin's.

Inspector Susikoski is inspecting the murder of an agronom in the countryside, during his summer holiday trip. He participates to the investigation of the case. The case seems to be clear, but there is much more than meets the eye.

After her mother's death, Irja, an evacuee girl, finds herself in a poor financial situation. Working as a housekeeper for her former teacher on a starvation wage, her situation improves when she is hired as a janitor at a secondary school. Despite the opposition of Principal Kuusi, she decides to take the matriculation examination and, in order to improve her writing skills, responds to a correspondence advertisement placed by the mysterious Master Ahtojää.

After her aunts death, young Miriam gets a position with the Allnes family. They have a son, Hans. Miriam and Hans fall in love. But the Hans mother is jealous and disapprove.