Two teenage girls, Justine and Alucarda, form a deep bond at a convent where Alucarda was raised by the nuns. However, their lives take a dark turn when they encounter a mysterious gypsy who is revealed to be Satan, leading to a possession that wreaks havoc on the convent and tests the faith of the nuns, Father Lázaro, and a skeptical doctor.
Alucarda
A young girl, orphaned after her parents' death, is taken in by a convent, only to bring a dark and mysterious entity with her, sparking a sinister presence that threatens to consume the nuns.
