An ideal society managed by Sapotamas. Underneath, terrifying creatures called Digimon appear. After a classmate is attacked, Tomoro Tenma's emotions explode. Suddenly his Sapotama shines and Gekkomon is born.

Gekkomon is awakened by Tomoro's anger and overwhelms his enemy. Just then, a mysterious Digimon steals their Sapotama. With his brother lost, Tomoro shuts down emotionally, until he is shocked by what the leader of the "Glowing Dawn" has to say.

Upon learning that the bounty intel is wrong, Tomoro and Gekkomon follow the scent of his own e-Pulse. There they find the Mirror World, a virtual space inside the net. Inside the Sapotama that glows within Hyemon…

Reina is in high spirits after being handed leadership for the next job by Kyo. But, because of Tomoro's mistake, the Machmon bounty escapes. Rookie member Tomoro can't understand Reina's obsession with the Glowing Dawn being a family.

Tomoro wanders into an old shopping district where he witnesses the Panda-gumi protecting the town from thugs. Their leader Sasatake and Pandamon have a bond of father and child. Meanwhile, Yuukari of the Koala-kai prepares to evict the residents.

Pandamon is furious that Yuukari has hurt the boss but is conflicted between their feelings and teachings about chivalry. Tomoro wants to challenge Astamon in battle. Meanwhile, Kyo investigates the identity of the mastermind.

Tomoro and the others find hikers who’ve nearly fallen victim to Cold Heart. They are saved by an exhausted Kyo and Murasamemon. Deep in the mountain is an old observatory that holds Kyo’s secret.

Hitomi takes Tomoro to school to investigate a series of student disappearances. Only the top students are going missing. Gekkomon struggles to rescue Tomoro when he's trapped inside Mimicmon.

Going after a bounty, the Glowing Dawn infiltrate Shangri-La Egg, a utopia created after a massive disaster. There, other Cleaners who are also after Goldnumemon appear in front of Tomoro and the others...

Chiropmon is taken from Makoto by Haruko, who sees Digimon as toys. Kyo tries to interrupt the buyer’s transaction, while Makoto feels troubled because his own weakness caused Chiropmon to suffer.

While out buying a birthday present for Asuka, Tomoro gets into a fight with Gekkomon over picking a scarf. Separated from Tomoro, the sulking Gekkomon encounters a Digimon who emits poisonous gas.

Tomoro regrets that Kyo and Gekkomon got hurt because of him and faces his job as a Cleaner once more. Meanwhile, a Digimon with an abnormal e-Pulse heads towards the Glowing Dawn’s headquarters.

The Five Stars, who stand at the top of the Cleaner world, gather for a meeting. The topic is the increase in Cold Heart incidents and emerging disaster-class Digimon. Meanwhile, Tomoro and the others encounter a strange trio at a crime site.

The Tactics are Cleaner teams that undergo rigorous training to perfect e-Pulse control. The Glowing Dawn members face off against them over a bounty, but Tomoro can't accept their methods.

The Kinoko Gang, holding a grudge, sneak into Nirinso while Kyo is away, aiming to destroy the Glowing Dawn. Redvegimon paralyzes Gekkomon and the others, while the In-Training Digimon can only watch…

Granit’s interference causes Reina to let her target escape, and they are both taken to a cold, snowy mountain by Moosemon. While they look for clues to go back, Granit recalls the birth of Ludomon.

While pursuing a Koemon, the Glowing Dawn encounter the Tactics. Hotaruko's siblings mistake Makoto for her coworker and invite them for okonomiyaki. Hotaruko becomes hostile towards them, but there's an issue of food theft in town…

Tomoro and the others treat a man who collapsed outside their headquarters to stew, but then the Tactics demand they hand him over. While they try to stop the Tactics, Commandramon is taken away. The man shares his dark past.

Tomoro and the others infiltrate an illegal Digimon auction held by Five Star member Klay Arslan. While investigating the venue which is being guarded by Tactics, they find a girl and her Tinkermon locked in a cage.