When Elara is driven to do something so dark and formidable that she must run away, her only choice is to seek refuge in a nearby castle and disguise herself as a lowly servant. Unwittingly, she finds herself falling for the charming King Frederick, unaware that his path to the throne is drenched in the blood of countless victims he murdered to get there. As their fates intertwine, Elara and Frederick find an unexpected and dangerous love awakening. With neither of them privy to the other's dark past, the vengeful spirits of those they've killed begin to haunt their every step. Hounded by relentless supernatural horrors, Elara and Frederick must confront their darkest sins and seek redemption before the ghosts of their past take their souls. In "Ruler of the Damned," the things that scare you in the night may be the very darkness you brought upon yourself.