Synopsis：After breaking up because of a misunderstanding, Chen Shi and her ex, Yu Zhiming, both find themselves back at the age of eighteen and become classmates of their own son, Chen Ansheng. This time, they are no longer distant parents and a rebellious child. Instead, they are peers who can skip class together, work hard together, and grow together. In an unbelievable twist of fate, they get the chance to rediscover one another and make up for all the regrets they once left behind.