Raised inside a secluded ancestral stronghold by her mother Queen Elowen, young vampire princess Luna longs to know the mortal father she has never met. Slipping past the castle sentries, the gifted child ventures into the human metropolis and stumbles directly upon a hostage situation involving tech tycoon Ethan. Unleashing sonic shrieks and summoning nocturnal creatures, the tiny vampire demolishes the kidnappers and saves the bewildered mogul.
Paternity testing confirms Ethan is indeed Luna's biological father, dragging the rational billionaire into a hidden world of supernatural politics and ancient feuds. When an envious heiress allies with an underground syndicate to hunt the child down, Ethan must bridge the gap between mortal technology and mystical warfare. Beside the regal vampire queen he once loved, Ethan fights to protect the daughter who reunited their severed worlds.
