Cute baby Sheng Sheng, in order to help her mother Xin Wannian make up for the regret of not seeing her grandmother, uses her supernatural powers to take her mother back to the past, but due to imperfect spells, she herself arrives in the seventies. She helps her grandma resist her biased family, avoid Xin Sheng's schemes, matchmaker her grandma with her grandfather Li Zhao, and resolve multiple crises, finally leading the two to marry. Sheng Sheng returns to the future, and her mother and grandma are waiting for her.