In the heat of the night, a man from faraway plays the piano. In the local hillside prison, a bitter double-crossed convict stares at the city life over the roofs….

A young college student is found stabbed to death,and private detective Vares life takes an interesting turn when the girls family asks him to investigate the case.

Koistinen is a sad sack, a man without affect or friends. He’s a night-watchman in Helsinki with ideas of starting his own business, but nothing to go with those intentions….