Synopsis：Modern movie queen Mu Qingyu traveled through time and became the second daughter of the Mu family, a wealthy businessman in the Republic of China. Because her grandfather once helped the marshal, she had a baby marriage with the marshal since she was a child. She has a sweet appearance, a smart and courageous personality, and is good at pretending to act. Mu Qingyu traveled through time and fell into a predicament of being persecuted by his stepmother and sister. He pretended to be a fool and cleverly solved the troubles in front of him. He also got entangled with his fiancé, the young marshal, who concealed his identity. The two experienced many difficulties and tests of life and death and finally got together happily.