Cheated of killing Kagan herself, Rayne has spent the last sixty years ferreting out and destroying his many offspring, her siblings. They have banded together and formed the Cult of Kagan, pledging to carry on his legacy of creating a new era of vampire supremacy. BloodRayne's nefarious siblings have created a mysterious substance which, when released, renders the sun's lethal rays harmless to vampires. Only BloodRayne stands between an unsuspecting humanity and a horrifying vampire dawn.