Mu Xingtong accidentally had an entanglement with Gu Hanting at a factory, and was later plotted by the Mu family to marry the disabled Gu Hanting in place of someone. She pretended to be foolish to cope, but because of a jade ring, she allowed her half-sister Qiao Mei to impersonate the benefactor on the plane, creating layer upon layer of misunderstandings. After marriage, the two encountered danger on a deserted island, Mu Xingtong blocked a knife for Gu Hanting, and Gu Hanting also confessed that he had been faking his limp all along. Mu Xingtong possessed superb medical skills, entering the entertainment industry to search for clues about her mother while fighting against the successive framings of Qiao Mei, Shen Yichun, and others. Having gone through lies, misunderstandings, and life-and-death crises, the two joined forces to smash the illegal human experiment conspiracy of the M Group and rescue her trapped mother.