Eight years ago, an engineered virus ravaged the globe, infecting and transforming humans into apex predators called Variants. Billions died, civilization collapsed, and the human race teetered on the brink of extinction. Nations banded together and heroes rose up to fight these abominations. On the front lines, Captain Reed Beckham and Master Sergeant Joe “Fitz” Fitzpatrick of Delta Force Team Ghost fought against the Variant hordes. With the aid of CDC Doctor Kate Lovato, they helped lead humanity to victory.