A valuable ruby disappears during an earthquake. Professor Ferlach is tasked with excavating the buried temple. Mysterious things are happening during the excavation and strangers are trying to stop them. The archaeologist Prof. Ferlach gets unexpected help from the animal catcher Larry Stone and his daughter Helga, who actively help with the research and excavations.
| Directing | Gerd Oswald | Director |
| Production | Wolf C. Hartwig | Producer |
| Production | Enrico Bomba | Producer |
| Sound | Francesco De Masi | Music |
| Writing | Ludwig Bruckmann | Writer |
| Writing | Arnaldo Marrosu | Screenplay |
| Writing | Leopoldo Trieste | Screenplay |
| Writing | Fabrizio Taglioni | Screenplay |
| Editing | Eva Maria Tittes | Editor |
| Editing | Anni Lautenbacher | Editor |
| Camera | Bitto Albertini | Director of Photography |
| Camera | Ugo Peruzzi | Director of Photography |