43-year-old Armand Lacourtade, a man who sells farm machines in the country, is getting sick of his homosexual life. When he encounters a young girl called Curly, he changes sides. Chased by her parents and the police, they brave all dangers to live this forbidden love and become an odd couple. But is it really what Armand dreamed about?

Between surrealism, unusual characters, art and magic tricks, "Swim Little Fish Swim" is a dreamlike journey from childhood to adulthood.