Eero Mattila

Sergeant Kalle Ryhmy, Second Lieutenant Ville Romppainen, and Mörökölli the cat travel from the front lines to Helsinki for a vacation. The trio, traveling by train, rescue the mysterious beauty Dora and Argentine war reporter Santa Rosa from a snowdrift, who lead them on the trail of an international spy ring hunting for military secrets.

Before her death, Anu's mother promises her daughter to the wealthy Junu of Ukonmäki. Anu loves the carpenter Mikko, who, upon hearing of Junu's engagement, leaves for Helsinki. However, Mikko misses Anu and his homeland, to which he returns with modern ideas of factory work and efficiency.