Adventure, Crime | 30 May 1963

Lex Barker, Ann Smyrner, Hans Nielsen

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.