At the wedding seven years ago, Xu Sanna's (Yan Ni) father, Wu Bo's (Geng Le) prospective father-in-law, really looked down on his future son-in-law, who was a penniless pauper. On the wedding day, Wu Bo fled, leaving stunned relatives and friends and the dumbfounded bride at the wedding scene. After escaping from marriage, Wu Bo made a great ambition to succeed in starting a business in a short period of time, make a lot of money and live in a mansion, so that those who humiliated him could see it. However, the business world is like a battlefield. After several years of hard work, he did not make any money but was heavily in debt, and was on the verge of suicide. Looking back at Sanna, Wu Bo's escape from marriage shamed her at the beginning, and she vowed to marry into a wealthy family. But seven years later, Sanna, who was neither high nor low, still stayed in the boudoir and became a leftover woman in her thirties. Seven years later, the former enemy inexplicably became a neighbor...