History teacher and coin collector Karl Schneider wants to track down an ancient coin while on vacation in Bulgaria. When he meets a group of musicians, he finds out that their singer Jana Christova is wearing this coin around her neck. He falls in love with her, but the young love soon faces some unexpected troubles. His travel companion, the pop singer Theobald, accompanies the events with music.
| Actor | Role |
|---|---|
 Manfred KrugKarl Schneider | Karl Schneider |
| LLiana AntonovaJana Christova | Jana Christova |
 Willi SchradeTheobald | Theobald |
| FFritz MohrAngestellter | Angestellter |
| GGünter RügerNot listed | Not listed |
 Angela BrunnerNot listed | Not listed |
| BBarbara MüllerNot listed | Not listed |
 Willi SchwabeNot listed | Not listed |
 Gerry WolffNot listed | Not listed |
 Werner SenftlebenNot listed | Not listed |
 Waltraut KrammIlses Mutter | Ilses Mutter |
 Hans KleringNot listed | Not listed |
 Georgi PopovNot listed | Not listed |
 Grigor VachkovNot listed | Not listed |
 Pencho PetrovNot listed | Not listed |
| HHorst PapkeNot listed | Not listed |