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.

A mother walks with her melancholic son on pilgrimage to seek comfort at the Madonna image, thereby trying to heal the broken heart of the son.

The mayor's son Mauritz Fristedt, has become deeply in love with the baker's daughter Dunungen. The mayor applauds the engagement because Mauritz will to try to foist a pack of worthless shares from his uncle to his father-in-law.