The Sinful Nuns of Saint Valentine

Lucita's family forces her into a convent to separate her from Esteban. As they plan to elope, he faces heresy charges and hides there, uncovering the abbess's evil secrets. Can he save Lucita before the inquisitor condemns them all?

The Sinful Nuns of Saint Valentine is a 1974 drama horror movie directed by Sergio Grieco, starring Paolo Malco, Françoise Prévost, Franco Ressel. It holds an IMDb rating of 4.7/10 from 1,024 votes and runs 1h 33m.