Due to an unknown infection, the entire city was engulfed by a terrible virus. All people began to go mad en masse, becoming different monsters. Those who made it in time were saved, but... those who didn't make it in time died or became monsters.

Ellie was walking through the outskirts of the infected city with a wound in her stomach, but suddenly... she heard rustling sounds and pointed her weapon at the girl standing opposite her.

"hey, who are you?! Show yourself or I'll shoot you!"