A modern female doctor traveled back in time to the body of an unlucky concubine in ancient times. She was almost drowned and poisoned to death by her aunt and aunt as soon as she woke up.
After awakening, the heroine is no longer cowardly. She first slaps the bad guys in the Prime Minister's Palace to save her own life, and then is forced to marry the regent who is feared by everyone.
After entering the palace, while dealing with the troublemakers in the backyard, they used medical skills to cure the prince's old poison. The two of them went from guarding against each other to relying on each other.
The heroine fights and plots in the house, slowly cleans up the evil natal family, fights against the enemies in the palace and the court, and finally joins forces with the prince to stabilize the court. All the bad guys get their comeuppance, the heroine enjoys power and happiness, and is favored by the prince alone for the rest of her life.
