In medieval England, a devout nun encounters a dark spirit and is led down the path of forbidden knowledge and temptation. Fighting for her sanity and her life, the unfolding of divine will works in mysterious ways. In the serene yet austere confines of a medieval convent, Sister Eugenia’s life of prayer and devotion is shattered by eerie whispers and hidden figures that breach the sacred solitude. Driven by a thirst for knowledge and a mysterious demon’s seductive promises, she finds herself entangled in a web of forbidden rituals, challenging the very foundation of her faith.