At a reunion with old friends, Su Wan unexpectedly comes face to face with Lu Jingchen, the man she left behind six years earlier. Misread intentions and reckless youth once ended what they had, but time has made her self-reliant and turned him into someone steadier than before. Each believes the other belongs to a different future, until lingering affection begins to surface. As friends draw them closer and buried wounds are finally addressed, they must decide whether the past is truly over or whether their changed hearts can build something new.