The film tells the story of the groom Lu Yang (played by Yao Rui) and the bride Lin Zichu (played by Wang Nan) who are about to get married. During the preparation for their wedding, they face constant troubles, and several forces secretly compete for the wedding diamond ring, falling into a game of chivalry and theft within the family. The film revolves around the struggle between the Grand Theft and the Diamond Ring, incorporating elements of technology, espionage, and action in a comedic form, creating a modern world for the audience. How clever is the ultimate male lead Lu YangBreaking the deadlock, cleverly resolving misunderstandings and conflicts, and ensuring a smooth wedding.