On the eve of the wedding, Zhang Jie overhears his fiancée, Liu Ruyan, going to see her ex-boyfriend, and she is certain he will forgive her anyway. She wears her wedding dress to the rendezvous, while Jiahao sends intimate videos to the groom. On the wedding day, Zhang Jie refuses to take another step back and decides to publicly clarify the reason for the cancellation. After losing her engagement, Liu Ruyan shifts her hope to Jiahao, only to find that his promise to marry her was merely a deception. Faced with pleas, shifting blame, and apologies, Zhang Jie handles the return of wedding gifts and item exchanges one by one, holding firm to his choice never to look back. When all relationships lose their way out, can he walk back into a life of his own?