O Homem do Futuro

O Homem do Futuro lit. The Man from the Future is a 2011 Brazilian romantic comedy film directed by Cludio Torres. The film stars Wagner Moura and Alinne Moraes. It was shot in Paulnia and Campinas in the state of So Paulo, and in Rio de Janeiro.

Aided by his best friend and fellow scientist, Otvio Ceylo, Zero turns on the unfinished machine he has developed that was supposed to ensure his wealth as well as a new source of sustainable energy. To his surprise, the reaction caused by the machine opens a bridge to the past, leading him to the year 1991 and the traumatic night when the beautiful Helena Moraes left him for a popular playboy, Ricardo Nunes.Zero then discovers that changing the facts can be more difficult and confusing than it seems. Returning to an altered present, he learns that his younger self used his knowledge of the future to become a powerful and corrupt businessman, even further separated from Helena. His only alternative is to return to the past once more and prevent himself from changing the present, while trying to avoid the time paradoxes caused by the presence of three versions of himself in 1991. ........

Source: Wikipedia