Marysia, a postal clerk, travels to Vienna to work as Mr. Olszewicz's secretary as a result of a distorted telegram. Their first joint venture is to sign a contract with American industrialist Smith, pretending to be a young married couple. He takes them to his yacht in Dubrovnik, where he refuses to sign the contract, having guessed the deception and feeling cheated.
| Actor | Role |
|---|---|
 Aleksander ŻabczyńskiPrezes Adam Olszewicz | Prezes Adam Olszewicz |
 Alma KarMarysia Kochańska | Marysia Kochańska |
 Michał ZniczPrzemysłowiec John Smith | Przemysłowiec John Smith |
 Mieczysława ĆwiklińskaŻona Smitha | Żona Smitha |
 Romuald GierasieńskiPękalski, kontroler w Zakładach Olszewicza | Pękalski, kontroler w Zakładach Olszewicza |