A handful of young geologists are unlucky enough to be forced to stay at a rundown hotel in the middle of nowhere. What they don't know is that the hotel has been abandoned for twenty years because the owner of the hotel had killed his family and all the guests two decades ago. Strange things begin to happen, and suddenly murders are committed...
| Crew | Giancarlo Ferrando | Cinematography |
| Writing | Umberto Lenzi | Screenplay |
| Directing | Umberto Lenzi | Director |
| Writing | Umberto Lenzi | Story |
| Sound | Claudio Simonetti | Original Music Composer |
| Editing | Alberto Moriani | Editor |
