What would you do if one day you found yourself in ancient times? Faced with known history, will you watch it happen, or will you change it? What should you do if you fall in love with someone there, or if someone there falls in love with you? Where will the history of others and my own future go?
Nineteen-year-old Yang Ziqi traveled to the Qing Dynasty by chance and became a beautiful girl. She quarreled with the fourteenth elder brother and became a pair of happy enemies; she talked with the thirteenth elder brother and became a confidant. Later, she discovered that her best sister Zi Xi in the Qing Dynasty was also from the 21st century. What should the two do when faced with the known ending of their lover? As the Fourteenth and Thirteenth Fortunes, will they change history because of the people they love deeply?