After appearing in the film, two of the actors, Mary Johnson and Einar Rød, decided to marry.
One of her daughters is newly married, and the other, Brita, is in love with the medical student Einar Falk.
He lands on an uninhabited island, where he dreams that he is being chased by wild animals and other dreadful things just like the novel character himself.
The group makes its way to Vaxholm, where it reports the incident to the police, who travel to the island to subdue the suspect.
[4] The film was shot in August and September 1920 at the Skandiaateljén studio in the Långängen neighborhood of Stocksund, Sweden and on Tobaksholmen in Vaxholm.