Two mermaid sisters, who end up performing at a nightclub, face cruel and bloody choices when one of them falls in love with a beautiful young man.
Alicja suffers from memory loss and has rebuilt her own free spirited way of life. Two years later, she returns to her former family to assume against her will her role as wife, mother and daughter.
Based on a true story of a Polish musician who survived the concentration camp only because he could play on the accordion the title melody.