Su Nian and Lu Yan enter into a three-year contractual marriage, agreeing to part ways amicably once the term expires. But when the time comes, Lu Yan refuses to let her go. With his first love returning, his family looking down on her, and others repeatedly making things difficult for her, Su Nian refuses to keep sacrificing her own happiness and resolutely decides to walk away. Faced with Lu Yan's belated pursuit and apologies, she refuses to give in easily and stands firm on her boundaries. The two gradually clear up their misunderstandings and confront all the hurt from their past. After enduring one challenge after another, they finally cast off the shackles of their contract and pursue genuine love as equals, with mutual respect, ultimately finding a warm and happy ending.