Soldiers scramble through the ruins of a forgotten yet familiar city, finding footholds in crumbling buildings as swarms of genetic mutations fly across the skyline like scurrying schools of fish darting through deeper waters. In the foreground, futuristic helicopters and mobile infantry patrol broken stretches of freeway, filling the screen with missiles and bullets as Isa and Kachi make a desperate break for freedom.
Exactly why Isa and Kachi are on the run is unclear, along with the motives of the shadow organization pursuing them – staffed by ominous assassins who speak with the comfort of established relationships that forever remain a mystery to the player.