(Introduction from the Game Manual) Two Months Later... It's been two months since MegaMan's battle with the FM-ians... Geo Stelar no longer uses, a Transer, and has now upgraded to the Star Carrier, a new type of mobile terminal. Geo is excited about trying it out, and it is at that point that his cohorts in adventure - Luna, Bud, and Zack - drop in on him. But while Geo and his friends are enjoying their time in Wilshire Hils, something terrible and unexpected occurs...A mysterious man appears and throws the denizens of Wilshire Hills into a panic when he unleashes a horde of viruses!