A young white-collar worker in an accounting firm worked overtime and unexpectedly traveled through time to become Yue Fei's first wife, Mrs. Liu. The first challenge is to give birth to a cute little bun Yue Yun, the second challenge is to protect the whole family during the Jingkang Rebellion, the third challenge is to manage Yue Fei's heart, and the fourth challenge is to avoid the tragedy of Feng Bo Pavilion. See how she changes the world step by step.