Gu Chen and Zhou Kai travel over 3,000 kilometers to serve as best men at their college friend Chen Zhe's wedding, only to be put up in a moldy hotel, fed instant noodles, and given old suits to wear. Meanwhile, Chen Zhe and the bridesmaids enjoy a lavish lobster feast in a luxury suite. After enduring repeated disrespect, the two men decide to leave on the wedding day before the groom's party. The missing best men and an unexpected wedding livestream expose the unequal treatment, while chat records and bank transfer evidence continue to surface. The bride, Su Wei, discovers that both the trust she placed in others and the money she spent preparing for the wedding have been betrayed. When a wedding turns into a public reckoning, everyone must face the consequences of their choices.