In the shadows of ancient Benin, a demonic presence stalks an innocent girl on the cusp of womanhood. Seduced by this sinister stranger's fatal charm, the girl's soul descends into eternal damnation as she becomes one of the undead - a vampire slave to the merciless Promise Keeper. For centuries across continents, the Promise Keeper haunts his victim's every move, invading her mind with violent commands in an unholy pact sealed...