An engineer, a musician, and a salesman are heading off on summer vacation in an old VW and a rented caravan. The confirmed bachelors want to enjoy their freedom. But the musician falls in love with a hotel telephone operator, and the engineer with a merchant's daughter. This leads to turmoil, with lots of fun and music!
| Actor | Role |
|---|---|
 Peter PasettiManfred Böttcher | Manfred Böttcher |
 Rudolf PlatteGerhard Rohne | Gerhard Rohne |
 Peter AlexanderKarl Munk | Karl Munk |
 Hannelore BollmannBrigitte Mansfeld | Brigitte Mansfeld |
 Doris KirchnerAnja Polsterer | Anja Polsterer |
 Hans MoserGustl Kränzlein | Gustl Kränzlein |
 Paula BraendMartha | Martha |
 Oskar SimaOtto Polsterer | Otto Polsterer |