GOOD NUN IS POSSESSED BY SEXUAL DEMON american horror story season 2 asylum

A  teenager dies after the demon exits his body during the exorcism and enters Sister Mary Eunice instead   the possessed Sister Mary Eunice begins her corruption of the asylum. She kills a patient who senses that she is possessed, tries to seduce Dr. Arden, and drives Sister Jude nearly insane by hinting at her past transgressions. Grace, Kit, and Lana attempt to escape the prison during a storm but retreat after crossing paths with the Raspers