The Virgin of the Quarry Lake (1970)

One hot summer at the beginning of the new millennium and on the eve of the great economic crisis of the year 2001, a group of adolescent girls falls madly in love with a boy called Diego. The romance is interrupted when Diego starts hanging out with Silvia, a 30-year-old woman he met in a chat room. Then Natalia, one of the teenagers, decides to turn to the knowledge of her grandmother Rita, and thus ward off the disappointment by using an ancient dark power.