The deadly duel with Hiwatari and his dastardly doppelgänger leaves Dark trapped in the mirror world while Daisuke lies bloody and broken in their wake. But Daisuke will never give up--after all, he's the only one who can rescue Dark from the depths of the mirror dimension. And so, with the help of Evie, the Everlasting Beacon, he descends into the darkness...Elsewhere, Riku's and Risa's devastating dilemmas become deadlier than ever! Stuck out at sea and lost on land, the girls awaiting their knight in shining armor are nearly out of time...