Cao An, an ordinary young man whose identity was confused, became the son-in-law of the wealthy Lu family due to an unexpected marriage. On their wedding night, the bride Lu Xue directly showed her cards: "I asked someone to check your background. You are not good enough for me. Let's sleep in a separate room." Cao An couldn't wait to lie down, so he watched TV series and played games at home every day, enjoying his leisure time. However, he discovered that everyone in the Lu family had ulterior motives - the eldest brother Lu Ye secretly transferred the family property, the second sister Lu Wei colluded with overseas capital short-selling groups, the father-in-law Lu Zhenting's health was deteriorating, and the business world was surrounded by wolves. The most terrible thing is that Lu Xue's mysterious fiancé is said to have a trillion-dollar capital background and is about to return to China to take over everything. When everyone thought that the visiting son-in-law was just a loser, Cao An was forced to take action. A business plan he casually wrote was snapped up by investors; a few industry loopholes he casually mentioned caused a rival group to collapse overnight; he didn't even know that the small program he casually registered was subverting the entire Internet industry. Until that day, Lu Xue was shocked to discover that the "Mr.