Koko grows up in the jungle with a solitary Zarude. When he meets Ash and Pikachu, he discovers the human world — and a plot threatening his home!

Years after the horrors of Raccoon City, Leon and Claire find themselves consumed by a dark conspiracy when a viral attack ravages the White House.

Brought together by a mysterious song, a grad student and an engineer lead the fight against an unimaginable force that may spell doom for the world.