It is after our Heroes have returned to Mainframe, and saved it from impending destruction. The threats have gone, and no longer do viruses and devious scum call Mainframe their home. Something lurks, though, outside the relative safety of their sealed home: a monster, a demented demon of a virus: Daemon.

Somewhere in the Net:

The familiar blue light gathered in intensity, surrounding her with energy as the tear stabilized. Slowly, the image of her destination appeared at the center of the growing sphere. She stepped into the portal and back into the world she had sworn she would never go back to.