In Yuezun Kingdom, women held power and inheritance followed the strict rule of "to daughters, never to sons." Pei family, a century-old master of incense-making, owned a priceless ancestral incense manual that countless people had sought in vain. Forced to steal it, the "female thief" Song Zhiyao was caught on the spot by Pei Jingheng, the Pei family's second young master. To keep the manual from leaking, he kept her by his side. As they spent time together, affection quietly grew. Later, Song Zhiyao recovered the brutal memories of her clan's massacre and uncovered many hidden truths about the Pei family. In the end, the two resolved their misunderstandings.