The adventurous life of a man who wandered around the world, spent a few years playing "Tarzan" in the jungle, became rich and eventually returned back in his birth-place.
A really skinny guy finds out that he has incredible strength in his punches. After starting a boxing career a lot of people try to take advantage of his talent.
During the day, he is a polite and chaste high-school scholar. But, when he sleepwalks at night under a different personality, he becomes the cool guy in his dreams, utterly unaware of his scandalous shenanigans, and his double identity.
Marty McFly, a 17-year-old high school student, is accidentally sent 30 years into the past in a time-traveling DeLorean invented by his close friend, the maverick scientist Doc Brown.