A busload of travelers and their disgraced priest tour guide, on the hunt for Aztec ruins, decide to stop in a Mexican village on the eve of the Day of the Dead. Unbeknownst to them, a local doctor plans to begin a diabolical ritual intended to bring about Hell on Earth.
- Genre: Horror
- Studio: Skouras Pictures
- Keyword: mad doctor, zombie, demon, demonic possession, catholic priest, spiritual retreat, topos azteca, nightmares
- Cast: Tim Sullivan, Wendy Webb, Premika Eaton, Patrick Roskowick, Larry Coven, Krista Keim