Irel Clark is a professor's assistant whose latest find is the 'Holy Grail' for member of his profession - literally! But when it turns out that some decidedly unholy individuals are also after the blood of Christ, Irel must drink from the chrism bottle he's recovered to save his own life. Immortality leaves something to be desired, though, when undead cannibals walk the earth in constant need of human flesh, and Irel's immortal body is nothing short of an all-you-can-eat buffet!

Zombies are the new vampires, and Raiders has a unique twist with a female zombie who survives by eating the regenerating flesh of her immortal companion!

The forces rising to stand against Crosline are organizing as Detective Chris leads a mission to cripple their stronghold at Area 51. But in so doing, will he succeed in unleashing a terror upon humanity even sooner than was planned? Meanwhile, Irel and Lamia have reunited, but Irel finds the cursed immortal greatly changed. Is it possible that Lamia has discovered the secret to her destiny in the revelations about her past?