Once upon a time, four sisters confronted their demonic father in the shadowy and enchanting other-world of Everwhere. The battle between them ended in devastating losses. The scars they carried from that fatal night slowly pushed the remaining sisters apart. But now they're being drawn back together - reuniting to try and resurrect what one of them has lost. On the night of their twenty-first birthday, when the clock strikes midnight, when All Hallows' Eve becomes All Saints' Day, the sisters Grimm will reach the zenith of their powers. On this night, at this time, in the ethereal mist-bound realm of Everwhere, anything is possible. But when dark magic is released, tragedy will strike once more...