One month before the wedding, the bridal room that Gu Zhun personally supervised for four months finally passed formaldehyde testing, but his fiancée Cheng Jiangjiang privately let her "senior brother" move in. She coaxed him with a cake, yet turned around and handed out the keys. At a hot pot restaurant, Gu Zhun accidentally learned that her WeChat name of three years, "Jay," turned out to be her senior brother's English name. The next day, he rushed to the bridal room, only to find the door lock had been replaced, and he, the owner, was locked outside, while Cheng Jiangjiang still protected her senior brother. With his love exhausted, Gu Zhun decided to call off the wedding and consulted a lawyer for his property rights. This time, he would no longer back down.