After chasing after the tentacled monster that kidnapped their mother, Emily and Navin find themselves in a magical but dangerous world of man-eating demons and shadowy enemies, where they must learn to control a powerful amulet given to them by their inventor grandfather.

"There's something strange going on in Spectrum, South Dakota. Home to high school best friends Jane Langstaff and Heather Meadows, Spectrum is a boomtown that's long since stopped booming, with nothing to show for its former glory but the abandoned Charleswood Estate, Charlesco's dwindling sprocket millions, and the story of the disappeared industrialist who founded the place... But deep within Charleswood, unbeknownst to anyone, there is a device...

Aya and her twin brother thought they were going to a cerebration of their sixteenth birthday at their grandfather's home, but the funeral-like atmosphere tips them off that something's not right. Their "birthday present" turns out to be a mummified hand--the power of which forces an awakening within Aya, and painful wounds all over Aki's body! Grandfather Mikage announces that Aki will be heir to the Mikage fortune, and Aya must die! But Aya has...