On the wedding day, the groom Yuan Zhong abandons the bride to look for his ex-girlfriend, and even asks his buddy Si Yu to wear a mask to take his place. However, Si Yu takes off the mask on the spot, marries his long-time crush Zhu Qingan in front of all the guests, and rapidly registers their marriage. After marriage, he transforms into a wife-pampering maniac who is both affectionate and dramatic, tearing down scum exes and driving away rivals all the way, pampering his wife into the happiest person in the world. Sweet romance and high-stakes drama packed, watch how he protects his wife for a lifetime.