The wealthy family's biological daughter returns, and Jiang Yu, the fake rich daughter in this family, encounters one heavy predicament after another, fortuitously binding with a system. She comes to the old city district, and gets to know Huo Li, who works in auto repair. To seek a turning point for survival, Jiang Yu actively approaches this steady and rugged-tempered man. Day after day of getting along and keeping company, the two gradually develop mutual affection. Until a grand motorcade arrives at the old city's alleys, Jiang Yu learns that the ordinarily plain and low-key auto repair youth is actually a mysterious business tycoon.