Discover an alternate Back to the Future reality where things have gone horribly wrong! When Old Biff Tannen travels to the past to give his younger self the Grays Sports Almanac, he opens a lethal Pandora's Box that drastically changes the course of history. In the BTTF movies, Doc and Marty save the day—but what happens in Biff Tannen's dystopia before they do? Find out in this alternate life story of Biff Tannen detailing his diabolical rise to power, his dangerous relationship with the McFly family and Doc Brown, and his ultimate demise.