He was born in the construction industry and majored in highway engineering. A handsome man with a gentle personality and a great sense of responsibility for his friends and relatives. As a young man, he was full of hope for the future, but suffered blows one after another. After his first girlfriend's family disdained his rural background and poor family background, he was eager to change his life through marriage. Unfortunately, because of the huge difference in image between him and his wife, and also because of his aloof personality, he was full of hope for the future. She was ostracized and suppressed by her father-in-law's company because of her sex. After pouring all the money into funding from her parents-in-law, she lost an important project because her father-in-law did not recognize her identity. After losing all her money and dignity, she angrily left home and went out to work hard. The wife lived in her parents' house all year round and had little affection for her husband's family. In an emotionally lonely spring, I met Yanyan, a gentle, capable, sexy and considerate woman with the same marriage background on the Internet. Faced with the belated love at first sight, the care and acceptance of Yanyan's parents, the growing son, and the different attitudes of his family towards Yanyan and his wife, this seven-year underground love affair, after the wife learned everything, how should she face everything in front of her? What painful choices will he face?