Director: Leon Klimovsky
Studio: Laro Films S.A., Producciones Gregor S.A.
Starring: Agata Lys, Heinrich Starhemberg, Ricardo Merino, Isabel Pisano, Antonio Mayans, Sandra Alberti, Irene Foster, Aparicio Rivero, Tony Garcia Jr.
Description: Daniel is a writer, who arrives to an secluded inn in the countryside near a lake, in there, he meets the owner Veronica, a beautiful but perturbed woman who is married to an invalid. Suddenly, one by one other guests fall prey of a razor wielding maniac.