Behind the Lie

On their wedding anniversary, Xu Ming's wife, An Ya, returns home late. That night, Xu Ming notices the word "Qiang" written on her waist. Although An Ya explains that it's a mark from a game she played with a female colleague, Xu Ming becomes suspicious when he learns that her company's manager is named Zhao Qiang. Seizing the opportunity while An Ya and the manager are on a business trip, Xu Ming decides to follow them and investigate.