In 1985, the young Marty McFly was disappointed with his family situation, but thanks to his eccentric scientist friend Dr. Emmett Brown, known as "Doc". The young Marty will soon be propelled into the past, in 1955, aboard a modified DeLorean DMC-12, plutonium-powered, the time-machine created by his friend. But when Marty prevents his future Parents to fall in love, he causes a chain reaction that upsets the time-line and may wipe out its own destiny - even obliged him to remain forever in the past. His only chance is to change the course of history... before the countdown will wipe out his chances to be back to the future!