A scientist notices strange frequencies coming from within the Earth. He and his assistants discover a living rock underneath a volcano. They bring the rock to their lab and discover that in order to survive, it needs the hormones that are produced by humans when they are afraid. They then abduct and sacrifice young girls to keep the living rock alive.
1971
HD
88min
Mexico
English
Juan Ibáñez
Jack Hill
Boris Karloff
Julissa
Carlos East
Yerye Beirute
Isela Vega
Santanón
Sandra Chávez
Eva Muller
experiment
torture
mad doctor
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