During the summer of 1999, seven children at summer camp are unexpectedly transported to a new and unfamiliar world, where they encounter seven Digimon who have been waiting for them. The children and their Digimon set out to determine their location and find a way home, fighting for survival against other hostile Digimon inhabiting the world. However, upon learning that they were brought into the Digital World for a higher purpose, they accept the responsibility of resolving the crisis facing it, as well as the role of the "Chosen Children." As their travels continue and they confront powerful evil Digimon threatening both the Digital World and their own, they also face their own inner demons and begin to mature; consequently, their partner Digimon become able to evolve into increasingly stronger forms.