They are sent to the first area of the game named Death Valley to search for Chief Leomon. 'The Yamato Server' has disappeared, and a new server known as 'The Doom Server' has taken its place. Based on Digital Monster X-Evolution, it is immediately revealed that a computer virus known as the 'X-virus' is spreading quickly and is infecting many Digimon. The game's protagonists are members of the 'D.S.G.
