In the 16th century, young men put themselves in great danger to look for mysterious crystals in a tunnel in the Styrian Erzberg. Some of them never returned from searching for this symbol of perfect love. In the 20th century, the student Barbara tries to pursue this legend of her home town.
| Directing | Willi Hengstler | Director |
| Writing | Willi Hengstler | Writer |
| Production | Lukas Stepanik | Producer |
| Sound | Othmar Schmiderer | Sound |
| Production | Wernfried Natter | Production Manager |
| Costume & Make-Up | Barbara Ronge-Hutzl | Costume Design |
| Art | Michael Hutzl | Art Direction |
| Writing | Bernhard Seiter | Writer |
| Camera | Peter Zeitlinger | Director of Photography |
| Editing | Peter Zeitlinger | Editor |
| Sound | Walter Werzowa | Music |