In order to qualify to inherit the family fortune, the four heirs must spend the night in the family estate. However, during the night someone starts killing them off.
| Year | 1971 |
| Country |
USA |
| Director |
Carl Monson |
| Casting |
Rodolfo Acosta, Merry Anders, Norman Bartold, Ivy Bethune, John Carradine, Richard Davalos, Faith Domergue, Buck Kartalian, Brooke Mills, Jeff Morrow, John Russell, John Smith, Roy Engel |
| Genre |
Horror, Mystery, Thriller |
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