You find yourself trapped in a nuclear submarine submerged in darkness with only red lights illuminating the space. Your companions are lifeless, and as water fills the vessel, you're forced to escape through the emergency capsule. You're expelled from the submarine, colliding with the surface, and falling atop the monstrous creature responsible for the chaos – a mountain-sized Prime Muto devouring the nuclear submarine. AAAAARGHHGGG she roars after killing everyone except you