Player manages Gibson, a mercenary working for Arasaka, one of the world biggest corporations in that time.

2022. It is the time of the 4th Corporate War. Arasaka and Militech, two giant worldwide MegaCorps, are engaged in a secret conflict that threatens to explode into all out warfare. In this uncertain time, spies, mercenaries and dealers of all types make their fortunes working for the highest bidder.