The lady of the house gave birth to a girl, but due to the family's preference for sons, she feared being expelled. In desperation, she secretly swapped her daughter for a baby boy. Her biological daughter was found and raised by a humble, poor farmer. By a twist of fate, the girl fell in love with the boy who had been swapped into the family. The lady, believing the girl was only after money, subjected her to endless humiliation. However, she later discovered that the girl was her own daughter, leaving her full of deep regret.