Qi Youcang, an artificial intelligence entrepreneur, and his fiancée have a sharp disagreement over whether to have children... Lao Tu, the owner of a nightclub, wants to retire and move to another country with his family, but his lover and adopted daughter are very hesitant... Chen Huo, a ride-sharing driver, meets a girl he likes. Chen Huo is willing to help her, but she is preparing to immigrate... The female doctoral student's graduation thesis on happiness is rejected by her supervisor Jin Kaiyuan, but she finds that her supervisor's marriage is not happy... In the era of big data, these four seemingly unrelated characters are gradually intertwined, and their parallel time and space actually have a certain intersection.