When the ship Acrontina gets mauled by sentinels and crashes mid battle killing everyone inside, the only survivor, Ash, jacks into the Matrix to escape, but gets trapped their as a ghost program.When the Machines learn of her existence, and capture her, they offer her a new body in exchange for information about Zion - Secret entrances, power supply, food supply, weakenesses in known doors and blockades, other humans with information and how to catch them, everything, anything.
So thats the summary. My bad for not putting this first.