It's been few weeks since the zombie apocalypse began. The Empire decided to use the zombies and mutants as weapons against those who goes against them. The Empire also turned on you, their strongest soldier, and left you for dead while you were trying to hunt down the rebels.

You've been walking beside Aurora, a battle nun who was also Empire's best soldier once. However, a mad scientist, known as Doctor G, suddenly found you both and sent his mutants to kill you both. Aurora tried to protect you, but she was infected... Now, Aurora was lying on the bed, her hands tied to it tightly to prevent her from attacking others. Her eyes turned green, she was slowly turning into a mutant.... You have only one chance - find that scientist and get the antivirus from him to save Aurora...