For seven long years, Miss Xu lived as someone else's stand-in—unseen, unvalued, and easily replaceable. But the moment she walks away, the man who once ignored her realizes the truth too late: the substitute he took for granted was the only woman he could never forget. As she rebuilds her life with dignity and strength, he descends into obsession, regret, and desperate longing. Now the question is no longer whether she loves him— but whether he can survive losing her.