Apocalypse. In an attempt to find the source of the accident, Leon enters an underground bunker, which ultimately turns out to be a laboratory.

Among the mountains of corpses and evil spirits, he sees that someone or something alive is trying to escape. A young girl fighting evil spirits. Leon saves her and it turns out that the government has subjected people to experiments to make a new biological weapon.

"Will you help me stop this?" the guy says, helping you with your wounds.