After his weekend plans are ruined by Biff who wreaked the family car Marty has to find different plans. As midnight comes Marty recieves a call from his friend Doctor Emmett Brown, the local scientest that has been labeled as mad. Marty meets him at the Twin Pines mall parking lot to record his newest invention, a time machine he made out of a Delorean. While filming his experiment, a van filled with terrorist pulls up to take the Plutonium that Dr. Brown stole from them. While escaping Marty jumps in the Delorean and speeds it up to 88 mph when he is thrown Back to the Future!
When Doc shows up to take Marty and Jennifer to the future to help their children things go wrong and Biff makes matters worse as he goes back to 1955 with something that can change the entire outcome of his future. Marty sets out to save his son from making a deal with Griff that could land him in prison and the events similar to 1955's chase. Meanwhile, Jennifer is mistaken for her future self and is transported home by the police. When Jennifer wakes up and discovers her future isn't exactly what she had hoped.
