On the day their daughter passed away, Zhou Yan bore the pain of losing his daughter alone, while his wife Lin Wanqing went to celebrate someone else's birthday. Years of devotion brought only repeated disappointment. Zhou Yan made the firm decision to file for divorce, revoked his design authorization, and restarted his career. As the company fell into crisis, Lin Wanqing gradually discovered the truth and finally saw clearly all her husband's sacrifices and grievances. By the time she was filled with regret, Zhou Yan was no longer willing to turn back.