One hundred digital years ago, the godlike Era appeared. Nobody knew from whence he came-- but he didn't hesitate to set to work overthrowing the Digital World. Split into factions, Digimon are now split between whether they follow Era or if they hold out-- fighting back is almost unthinkable, with three-quarters of the Digital World under Era.
It has been ten years in the real world since Era's appearance. The Sovereigns have finally sent out for their last lines of defense: seven human children, paired with digimon that have waited all their lives for their partners to arrive. A mysterious empty text message summons them, plucking them out of their lives and throwing them into the war.
Caught in a battle that may encompass more than just the virtual world they've been forced to save, the odds are against them, but they're the best shot the Digital World has. They become pieces in a game they don't understand, having no way of understanding how much stock both sides have in them...