In a stately household, a loyal young servant wrestles with forbidden longing for his master's graceful daughter and secretly watches her from a hidden vantage. On the day her fiancé returns from abroad, he is astonished to see the couple and other residents of the house performing elaborate private rites that hint at something far more ominous. Convinced these rituals may summon a malevolent entity, the servant steels himself to intervene and shield the woman he loves from harm.