Due to abnormal events that occur in the Real World, more and more humans have begun to appear in the Digital World. They've begun to befriend the inhabitance of the world and grow a strong bond with those that they've befriended. All the while under the threat of Barbamon, both humans and digimon with in the Digital World have been targeted as victims of the evil digimon's army. In order to fight for their lives, humans and digimon have formed unbreakable bonds to stand up against Barbamon's evil plot.
Humans who have formed this strong bond with the digimon are dubbed as Tamers.