In tomorrow's Tokyo, the technologically-enhanced body of a young mercenary hacker is overrun by a sentient data weapon. Wanted, the parasitic A.I becomes her only ally as she is chased across the city by those seeking to salvage it.

One rainy night in futuristic Neo Berlin, nine year old Tina and her guardian robot, SAM-53, set off on a quest that asks: if cyberspace has made romantic love obsolete, do we still need love in the real world?