An intrepid caver, determined to save the woman she loves, descends into caverns where beautiful music supposedly drives humans to insanity and violence.

After a mysterious plague causes humans and animals to give birth to mutated creatures, a zookeeper and his mutated daughter struggle to keep their traveling zoo show in business.

Ancient, doomed Moggadeet struggles to overcome the deadly cold in order to save their beloved Lillyloo from the harsh, alien world they inhabit together.

After the seas rise, food becomes scarce, prehistoric creatures return from extinction, and people evolve in horrifying ways. One girl is in love with a human man, but she worries what will come of him if they are together, secretly knowing her mutations may one day consume her and put him in danger.

A young woman who is a Speleologist teams up to explore an extremely deep cavern with a Geophysicist who believes that the earth is hollow and the Underworld is accessible through caves. Once sealed by Aboriginals, the pair soon regrets reopening the cave.

A group of seven men and women are chosen for a secret military mission in the arctic, where they discover ancient beings that seek to control them.

A disagreement between a cavern tour guide and his "hippie" dance-instructor wife over whether to risk growing weed in order to scrape by ends with him living alone in an RV behind his friend's house, spiraling into alcoholism.

An archaeologist finds an ancient funeral cave and intact skulls containing jars of bone marrow. When she studies one of the jars back at the lab, she accidentally exposes herself to its contents and experiences a strange transformation.

At a space frontier, infected humans are turning into alien moth creatures and the government considers mass executing them all. A scientist who has seen signs of the moths' intelligence must fight for their lives.

A mother provides his son with a brief history of the wolves who turned into men and back into wolves—and their unfathomable terror.