After the divorce, Gu Yao takes her son Yaoyao and makes a living by running a street stall, independent and resilient. By chance, she meets her ex-husband Huo Qinghan again. This cold-tempered business elite gradually discovers the connection between the child and himself, and layers by layers uncovers the misunderstandings of their divorce back then. He puts away his sharpness to blend into the daily life of the mother and son, and uses his actions to pursue his wife and protect his child amidst past ties, unfolding a gentle and sweet romance of mutual pursuit.