Marty and Doc are in it again whilst the time-traveling duo visit 2015 to nip some McFly family woes from the bud in this sequel to the 1985 blockbuster. However, things go awry thanks to bully Biff Tannen along with a fuzzy sports almanac. At a lastditch try to set matters directly, Marty finds himself bound for 1955 and face to face along with his parents -- again.