Die ehemaligen Dragonauts rätseln, was es mit Gios Verhalten auf sich hat, als ein bekanntes Gesicht auftaucht.
As Sieglinde and her comrades camp out in an abandoned building on an island, they stumble upon Sakaki, who has washed up on shore. Meanwhile, the ISDA conducts experiments on Laura, as Kazuki and Widow discuss her situation. At another location, Kasuga tells Yuuri about the purpose of the original dragons sent to Thanatos. Back on the island, Jin and the others question Sakaki about his motives. Gio later appears to attack Kasuga's location, but Jin's group comes to their rescue, though is incapable of dealing any sufficient damage. Just as Jin confronts Gio, Kazuki and Widow show up, but Widow is subsequently damaged by Gio after she attempts to blast Toa. As Thanatos is shown to be close at hand, Machina and Akira are shown to disappear from their ice tomb.
再起に向け、隠れ家で準備を進めるジンとドラゴノーツ達。だが、ギオの変貌にジン、トア、そしてドラゴノーツ達は否応なくドラゴンと人間の存在について再認識を迫られる。
そんな中、ノザキからキタジマに明かされる、アルブム、アトルム、ラウム３体のオリジナル・ドラゴンの真実。
果たして、タナトスの真意は一体何なのか！？その頃ISDAでは、対タナトスの新作戦のために、着々と準備が進められていた――
