Erotikon is a 1920 Swedish romantic comedy film directed by Mauritz Stiller, starring Tora Teje, Karin Molander, Anders de Wahl and Lars Hanson. It is based on the 1917 play A kék róka by Ferenc Herczeg. The story revolves around an entomology professor obsessed with the sexual life of bugs, and his easygoing wife who is courted by two suitors.

The wife of a dull-witted miller is in her deathbed and the miller must find a new woman to marry. He is expected to marry the sister of a local forester, a refined woman he wants to love. She is gentle and motherly, though a rather austere Christian. But the miller lusts after his maidservant, Lise, a ruthless and calculating woman determined to climb up the social ladder. Lise tries to use her lower class sensuality and a bit of magic to entice the miller.

Hjalmar Björklund and his daughter Margit runs a second-hand bookshop in a small Swedish town.

Pelle Frisk is second-in-command on the S/S Hispania. He is a fighter and a ladies man and known as "The Flying Dutchman".

Kalle Utter is theologian student at Uppsala University sometime during the latter half of the 19th century.