Bound by blood and confined by circumstance, this brother and sister find solace in each other's arms. Their shared secret, a dance of taboo, unfolds in the shadows of their home. She, a siren in disguise, uses her feminine wiles to entice her brother, while he, a gentleman by day, transforms into a ravenous beast by night. Their love, a wild storm of lust and longing, threatens to consume them both.