1969 film

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?

1990 film by Aki Kaurismäki

The ever-poker-faced Ilona loses her job as a restaurant hostess, as her tram driver husband, Lauri, also finds himself out of work. Together they must hit the streets of Helsinki, facing up to hardship and humiliation in their quest for survival, guided through the gloom by a ray of hope.