Based on the classic 5th series of one of Capcom's greatest ever, Megaman Zero is brought back to life online. The successor to the 'X' series, Megaman Zero was said to have taken place 100 years after the previous saga.
In the original Megaman Zero series, the protagonist android, 'Zero', sets out to destroy the "utopia of Neo Arcadia", which is trying to wipe out the android population. A scientist named Ceil and the Reploids are caught in a battle with the Pantheons, which have pushed them back causing heavy losses. As they retreated they came across Zero's sealed chamber, where he had remained powered down for 100 years. Zero and Ceil set out to destroy X, Zero's one time ally, now turned enemy.