Marty McFly's life is a mess. His family has problems, he can never get to school on time and the music he likes and plays is just 'too darn loud'. His one true light is his girlfriend, Jenny, and his one true friend is the enigmatic Doctor Emmett Brown. One eventful night, Marty meets the mad scientist and discovers that he has built a time machine.From that meeting, Marty's disorganised life becomes a crazy adventure when he is transported back 30 years to 1955. Marty's only hope of getting back to 1985 is to seek out the help of a younger Doctor Brown. However, he also must avoid Biff, the school bully and help his own parents to meet up and fall in love.