Shen Guanyu, the legitimate daughter of the general's mansion, born into a prestigious family yet unable to control her own destiny, unexpectedly swaps bodies with Qiao Shuman, a modern teenager who complains that the national college entrance examination is too bitter, at a turning point in fate! Faced with a table full of unfamiliar textbooks and appalling math scores, Shen Guanyu relies on the resilience carved into her bones, fighting her way through counterattacks to become the provincial top scholar in half a year! Meanwhile, Qiao Shuman, who has arrived in ancient times, is trapped in the grinding hardships of the deep palace, crying out to swap back. Holding her college admission letter, Shen Guanyu smiles faintly: This life is earned by my own ability!