Brazilian physics professor Zello (Wagner Moura) is a genius with eccentric behavior and numerous major inventions, but investors are increasingly unable to tolerate his crazy behavior, so they unilaterally terminate their cooperation with him. Forced into a desperate situation, Zello secretly stepped up the experiment of the particle collider, just to use it to open the time tunnel back to November 22, 1991. 20 years ago, Zello met Helena (Aline Moraes), a beautiful girl from the same school. He had a crush on her and helped her make up lessons, but her beauty and Helena's strong boyfriend discouraged Zello. He even encountered a great humiliation that affected his life in the process. In order to change his life, which is a genius but a waste, Zello hopes to help his younger self change the future and open up a different life...