Summary: Marty and Doc must head 30 years into the future to save Marty’s kids from calamity,l but end up making a mess of the past when Biff Tannen takes over the DeLorean. Will they save themselves, and their pasts, as well as their futures?<br> This ingenious sequel takes the premise of the original film for a loop-de-loop of logic few were expecting it to go, from the minds of Robert Zemeckis and Bob Gale.<br>
