Starring Oscar-winning actor F. Murray Abraham and sitcom actress Farrah Forke, the film doubled as a pilot for a possible TV series.

[2][3] Other cast members include David Dundara, Jeffrey Nordling, Tim Russ, John Neville, and Kim Miyori.

Their ship, Avenger, enters the lava chamber of an active volcano and uses an energy ray called a "sonic blaster" to blast through the flow.

As they explore deeper into the caverns they encounter a yeti which the crew named Dallas that serves as their guide.

Meanwhile, an unknown malevolent entity is attempting to recover the missing pieces of an Atlantean artifact known as the "book of knowledge" one of which a crew member of the Avenger brought with him, that will supposedly give massive powers to whomever possesses it.