Takato, Ruki, and Lee are children who have, by fate, received real Digimon, unlike the imaginary ones in the card game they play. Each of the children, or Digimon Tamers, have their different views ...

Mephistomon is a Digimon born from the data of Apocalymon and is out to conquer both worlds after evading Omnimon, the protector of both worlds. Meanwhile, Takato is visiting his cousin Kai in Okinawa ...