Adam Jensen was left behind by time. He was in a cryo Pod heading to Hengsha when his Airship's AI failed and he crashed outside Detroit. No one ever found him. Lithium Power cells lasted 7,000 Years, and that wasn't forever...

Humanity is gone. Erased by time. Destroyed by the Ambrosia virus. Decay ridded of their massive constructions. Nopony even remembers them. Equines now rule the planet. How will Adam Take to this?