Hans Erik Ernback was a Swedish stage and screen actor, writer and stage director.
Rikard Adamsson, a young man dreaming of becoming a writer, lives a wild and dissolute bohemian life. A ferocious fighter with a heart of gold and a great taste for women. In the military service he gets in trouble, runs away, returns and is sentenced to prison. Inside he finishes his first novel. However, no publisher is interested.
The film depicts a stubborn farmer who refuses to adapt to new rules that require him to leave his milk on the village common milk stool instead of his own.
A young American girl is found dead in Gota Kanal, Swedens largest channel. Since there are hardly any clues or evidence at all it seems as if the murder cant be solved. Martin Beck and his men are assigned to the case. Soon they find a likely suspect and together with a police woman they begin a cat and mouse game to catch him.