You are my father telling the story between Leo and his father Li Changhai. Leo is a wealthy second-generation who desires to start his own business and land on Mars, but his relationship with his father is tense and they do not understand each other. One day, Leo was drunkAfter drinking, he spoke ill of Chen Liao's photo, but the photo unexpectedly moved, frightening everyone. Suddenly, two figures appeared and knocked down Leo and Li Changhai. When they woke up, they found themselves crossing over toOn the school playground in the 1990s. They realized that they had returned to Li Changhai's student days. Li Changhai traveled through his young body, while Leo's soul penetrated into Chen Liao's body, becomingFather's brother. The two attempted to return to modernity, but were unable to succeed. Chen Liao's photo suddenly began to speak, telling them that it had manipulated the time travel, giving them a chance to make up for the regret.