Jins world is rocked by a devastating explosion that changes his life forever. Heartbroken and alone, he struggles to pick up the pieces of his shattered existence.
Jin and Gio have questions, and Toa is the only one who can answer them. To find her, they must steal a ship from the ISDA and chart a course for moon.
The Lindworm Unit is dispatched to the Moon to assist the Gillard Army in their efforts to capture Toa and Gio. In the meantime, Jin and Toa begin to reconnect.
The Lindworm unit arrives at the Hot Springs with orders to apprehend Jin, Gio, and Toa. But some members of the unit are reluctant to capture the renegade dragons.
Enraged and alone, Kazuki descends into madness. Jin betrays Gio in a desperate attempt to get Toa back - but will her horrifying revelation tear them apart forever?
When the Gillard Army attacks a shuttle carrying Toa, Jin must set aside painful thoughts of his family's tragic death and join forces with Gio to save her.
After their battle with the Gillard Army, clashing ideals divide the Lindworm Unit. Gio and Toa are detained by the ISDA - one marked for death and the other for experimentation.
A Gillard spy kidnaps Toa and delivers her to Prince Asim. While Jin and the renegade Dragonauts hide out, the Fourth Original blazes a deadly and destructive path to Earth.
With the Fourth Original on the loose, the ISDA evacuates the city and sends in the Lindworm unit to capture the dragon. Kazuki's seething rage puts Jin and Gio in great danger.
The Lindworm Unit watches as the Third and Fourth Originals do battle in the sky. Jin and Gio are locked in on Toa's signal, but a terrifying development could make them return to Earth.
As the D Project moves into Phase 7, Jin and Gio decide they must journey to Mars to save Toa. But before they can blast off, Kazuki and Widow make their presence felt.
Relations between Gillard and the ISDA grow tense. Jin and Gio break into Asim's compound with help from Akira and Machina, but they might be walking into a trap.
Jin, Toa, and their comrades take refuge in a lunar hot springs. After noticing something strange about Toa, Akira proposes an official ceremony involving Jin.
After the disaster on Mars, the ISDA begins systematically imprisoning and eliminating all remaining dragons. Thanatos's response to this genocide threatens to destroy Jin and Toa's happy existence.
The ISDA develops a virus capable of destroying Thanatos, but it can only be transmitted by an original dragon. Meanwhile, Jin, Toa, Gio, and Sieglinde plot their counterattack.
Before the Dragonauts can infiltrate Tartarus and rescue their dragons, Gio mysteriously disappears, and Kazuki shows up looking to settle the score with his old friend Jin.
Jin and the Dragonauts uncover Commander Sakaki's web of deceit, and the Gillard Army exposes Raum to the anti-Thanatos factor in preparation for her ultimate destiny.
Jin and Toa spend a final heartbreaking day together before Jin turns her over to Gio. Toa's reaction to his betrayal quickly makes Jin regret his decision.
When the Dragonauts' diplomatic peace mission fails to sway Thanatos, Jin must make a difficult choice. He can either fuse with the mother dragon or lose his beloved Toa forever.
Kazuki's valiant attempt to use the Aegis to destroy Thanatos fails. With six billion dragons headed for Earth, humanity's future depends on the love between a boy and his dragon.
The ISDA crew is back in action, but the dragons are acting really strange. Gio is cracking jokes, Howling Star is hiding under tables, and Toa's sexy growl is driving Jin crazy!
