Years later, architectural group head Shen Ruolan and her ex-boyfriend He Yuanshan reunite over an employee's child study quota. While investigating the selection controversy, she gradually sees He Yuanshan's sense of responsibility in raising Jianing alone and re-evaluates their breakup back then. Faced with engineering management issues, Shen Ruolan insists on following procedures to protect employee rights. As Jianing reveals their life background, the long-sealed misunderstanding is finally resolved, and the two learn to face each other and the future honestly.