When Continuation War started in Summer 1941, German soldiers arrived to Oulu. With their charm they conquered women and town boys. Finnish boys communicated with them on many levels: had trades, worked as interpreters, rotated business, spied on German love adventures and fought with each other about the favor of soldiers. In autumn 1944, the war was ending. Germans left Oulu by leaving behind fragile relationships, bastard kids and unfinished businesses. The most shocking of all was the faith of young Jake...

A rich widow is found dead in her apartment in Helsinki due to gas poisoning. The incident is initially thought to be an accident, but inspector Palmu notices that the murderer made a mistake, and so Palmu, Kokki and Virta begin the investigation: who had come to the apartment through the balcony door and opened the gas tap while Mrs. Skrof was asleep?