Grace Montague, a writer, returns to her hometown to finish her final novel. Upon arriving home she finds her first love, Sean, desperate to save the town's historic ballroom, and needs her help the night of the rare Blue Moon Ball.

Two estranged sisters amid tragedy unlock the truth to family secrets on a self-reflecting journey to see the Great American Eclipse.

As Alyssa and Karla try to escape from the church home that holds them captive, Karla is slaughtered by a vicious, semi-human creature.