After Gu Mang's parents die, her younger sister, Gu Yin, inherits all their estate and mocks and belittles Gu Mang. Relying on her own abilities, Gu Mang transfers to an elite school, where she crushes Gu Yin with her extraordinary talent and academic performance, exposes her hypocrisy, and reclaims her parents' inheritance. She also encounters Lu Chengzhou, the heir to one of the most powerful elite families. Whenever she faces prejudice and frame-ups, Gu Mang reveals her many hidden identities, including top scorer in the national college entrance examination, miracle doctor, and elite hacker, leaving her detractors humiliated. Adapted from the novel Madam Is Online Slapping Faces Every Day by Nan Zhiqing.