As the daughter of a general dedicated to defending the country, He Jiuling spared no effort, even resorting to disguising herself as a debauchee and acting like a bully. She was determined to annul her engagement with Rong Yu, the young master of the Astrology Hall. However, an unexpected mishap occurred, causing the beloved figure in the dreams of all the city’s girls to regress mentally to childhood. Amidst the collision of fire and ice, and the laughter and tears that ensued in their interactions, a subtle affection quietly blossomed. Meanwhile, a conspiracy involving the military, the royal family, and the Astrology Hall slowly unfolded.