Two apartment house dwellers, although unrelated, share the same name. One is an older man with an appreciation for and love of classical music, while the other is a younger man addicted to swing music. The niece of the older man arrives for a visit and gets into the wrong apartment. Complications arise.

• Urania-Film
• Sfinks
• Eugeniusz Bodo
• Helena Grossówna
• Józef Orwid
• Ludwik Sempoliński
• Stanisław Woliński
• Czesław Skonieczny
• Feliks Chmurkowski
• Alina Żeliska