Her Majesty is a FARMER?!

The emperor owes a debt he has been trying to settle for twenty years. Someone saved his life back then and he never found out who. Meanwhile the Prince of Yan rebels, and the emperor, Qin Haotian, is traveling in disguise when assassins come after him. A farm woman, Song Caixiu, gets to him first and pulls him out of it. They spend time together and feelings develop. He promises to put down the rebellion and come back for her as empress. While he is away, Song Caixiu's mother falls seriously ill. She goes to her son, who married into the county magistrate's household, to ask for money. The magistrate makes trouble for her instead and she nearly dies of it. Qin Haotian arrives in time and takes her back to the palace. There the two of them find out that she is the person he had been looking for all along.