Kai and Arata searches for the secret base of the Apostles, while Makoto meets up with Kamui and Misaki to sneak into the Apostles` secret research facility. The one who awaits them is the one who became a Diffrider, Wakamizu.

Saori ambushes Chrono while he`s under medical care. To protect Chrono, Tokoha stands against the threat of the Zeroth Dragon with a card entrusted to her by the illusion of Miguel!