Back to the Future ends with Marty McFly escaping a time before he was born to a radically altered present, leaving a few questions unanswered.

The second movie sees Marty and Doc travel to 2015 in an attempt to stop Marty's son, Marty McFly Jr., from committing a robbery that leads to a chain of events that destroys the McFly family.

In 1955, Marty McFly receives written word from his friend, Doctor Emmett Brown, as to where can be found the DeLorean time machine. However, an unfortunate discovery prompts Marty to go to his ...