Lin Chen, a construction worker, is humiliated by his gold-digging ex-wife, Liu Man, and a rich second-generation heir. After being kicked out with nothing, he unexpectedly saves the Xia family's matriarch when she suffers a sudden heart attack. Impressed by his integrity, Grandma Xia urges him to enter into a contract marriage with her granddaughter, Xia Wanqing, the CEO of the Xia Group. After their marriage, Lin Chen secretly reveals his formidable status as a big shot on the X Network, helping Xia Wanqing resolve corporate crises and defeat Xia Mingyu's attempts to seize power. He also uncovers the truth behind his parents' car accident five years earlier and takes revenge on his uncle, Lin Kun, who was responsible. Ultimately, he returns as the heir to the Lin family, and he and Xia Wanqing go from contract spouses to true lovers. Together, they build the Lin-Xia business empire, establish a charitable foundation, welcome the birth of their daughter, and achieve happiness in both their careers and family life.