The novel "The Passionate Tadpole" portrays the life of a bohemian group of people in Rome in the late 19th century, who are immersed in the world of creativity, art, and love. The main character - a member of this group - is the artist Albert, who falls in love with a beautiful woman named Ellen, but she rejects him, preferring Princess Elizabeth. Driven mad with despair, Albert decides to use the legend of the enamored donkey, who takes on a human guise, to win Ellen's heart.