In a world where the Omnic Crisis ended with the destruction of Overwatch and the subjugation of humans. With the aide of the Talon organization, the influential Omnic Maximilien had successfully taken control. In exchange for continued immunity, Talon used its clandestine reach to infiltrate the last known human strong point; Oasis, with the intention of raiding their vast amounts of advanced technology and medical archives. Gabriel Reyes, a highly respected soldier and leader, who has taken up the duty of trying to salvage what is left of the human population. He feels partly responsible for the demise of many of his closest friends when he refused to join Overwatch. Having brought together a band of would-be freedom fighters, they stand as the last defense against the extinction of the human race. However, a dark revelation surfaces after the ragtag group launches an attack on a transport departing the now Omnic ruled Oasis. Humanity is on the brink and its survival just may well lie in the hands of someone who may also be the root of its demise.