Zhang Yang and Zhu Li An have been blissfully married for seven years, and in order to celebrate the passing of the 'seven-year-itch', the couple organized a grand event with friends and family at a hotel. They expected happiness, but trouble came knocking at the door, when Zhang Yang's ex-girlfriend showed up uninvited at the event, and his close friend and former classmate Long Dong Qiang started scheming behind his back.