After ending her ignorant first love, Na Zhi strayed into the time and space tunnel and came to the Qianlong period. She only loves mathematics, physics and chemistry, and has never even opened a history book. How will she face the departure of her relatives and the betrayal of her lover? How will you stand on the left side of the Qing emperor? The person she loved betrayed her, and when she chose a new relationship, she discovered that her brother, who she thought was a rough guy, was actually so sinister! She had no choice but to admit it, who made her fall in love with him irresistibly.