A young witch who fled the craft years ago is drawn back when the demon that killed her high-school sweetheart resurfaces.

Eli Eichan can see the souls of the living and the imprints they leave behind after doing something evil.

Cora, one of the last Sentinels, remains the last line of defense against an unknown enemy laying siege to her planet. Together with a handful of allies, Cora must find a way to protect the one thing this enemy had come to destroy - the humans.