A medieval nun is led down the path of forbidden knowledge and must fight for her sanity and her life. 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 temptations, challenging her faith.