This rebel guy, although you don't realise it's him at the start, wants to take both companies down. He does this by mind wiping himself and going for a job with the first company.
They accept him in and then send him as a spy to the other company.
Eventually he regains his memory and carries out his mission with the aid of a girl he doesn't know. He goes to a location in the desert where an elevator shaft comes out of the ground giving access to the main data storage facility where he manges to break in and steal the information he was after.
End of the film and it's him and his girl on a boat. She asks him what was so important to go through all that, he shows her what's on the laptop he's looking at; it's a database file of her, with her pictuer, and the words 'Eliminate' printed over the top. He smiles, takes the disc out and chucks it in the ocean,