Zhao Fei, the owner of an auto repair shop, accidentally bumps into the old lady Chen who is suspected of having taken away his little sister, thus uncovering the past that has been sealed for more than 20 years. The Zhao family and the Chen family formed a bond due to an accident, and the younger sister was adopted into the Chen family and became Chen Xiaoqing, a teacher. During this period, there were constant episodes such as Zhao Fei's blind date with his old classmate Wang Meili, and Zhao Lin's struggle with her ex-husband. In the end, the two families solved their misunderstandings, revealed the truth about their life experiences, and reunited their long-lost relatives, and it ended successfully.
