Hei Jiuling, the daughter of a patriotic general, goes to great lengths to break off her engagement with Rong Yu, the young master of the Astrological Pavilion. Using all her tricks, she disguises herself as a dandy and acts like a tyrant. However, a moment of carelessness turns the object of every girl's dream into a childlike innocence. Amidst their tumultuous and comical encounters, an unexpected affection quietly blossoms. Meanwhile, a plot involving noble families, the royal court, and the Astrological Pavilion begins to unfold.