

A group of American tourists is traveling through Spain when two of them are murdered by a mysterious serial killer who removes an eyeball from every one of its victims. The tour presses on as the murders continue, with the travelers and the police trying to deduce which one of them is the killer.
Costume
Seventies tourist fashion that's somehow more criminal than the murders.
Practical Effects
Gloriously unconvincing eyeball removal effects.

Director
Umberto Lenzi
Trivia, insights & behind the scenes
Lenzi shot this back-to-back with Spasmo, recycling locations and some cast members to stretch his budget.
This is peak 'giallo tourism' era—foreigners in exotic locations being punished for their privilege, a theme Lenzi returned to repeatedly.