Taichi Yagami and Koshiro Izumi prepare for their kids' club camping trip when Taichi's mother and sister are caught in a cyberattack occurring in Tokyo; Taichi fights to save his family with a mysterious life form.

Taichi comes face to face with a mysterious boy riding on the back of a Digimon inside the Network; the missile launch approaches and Taichi and his friends must stop it at all costs.

An enormous, white Digimon fights with Taichi and Yamato to stop a missile just before it hits the metropolis; shortly after the missile incident and the kids' club camping trip, a new threat closes in on the city of Tokyo.

As Taichi is pulled back into the world of the Network, he finds himself before an unfamiliar scenery; a dangerous path is set before Taichi and the others in order to find the answers they seek.

Taichi and the others reach a place that looks like a temple in front of a mountain; they come to face the secret of the Digital World and the reason why they have been summoned there.

Taichi's party comes across an orchard and meets a mysterious girl, Mimi; Taichi and his friends find out that a kingdom is targeted by some ferocious Digimon.