The novel tells the story of the heroine and the regent princess after her rebirth. In her previous life, the heroine married her lover by mistake and ended tragically. After her rebirth, she resolutely chose to marry the regent. In the palace, she dealt with all kinds of difficulties with thunderous means, such as skillfully handling the maid's neglect of her adopted daughter, winning the recognition of the palace's grandmother, and taking charge of the palace's affairs. At the same time, the emperor in the palace was also reborn. He had owed something to the heroine, and he tried to make up for it in this life, which triggered a series of complex emotional entanglements and palace disputes.