Separated since childhood and away from home for many years, Serena Synge reunited with her family and discovered that her brother was seriously ill. With a kind nature, Serena Synge took on the heavy burden of this family, working eight jobs a day and enduring humiliation in society. Unexpectedly, the truth was that the Synge family recognized Serena Synge in order to fulfill their promise of marrying their daughter to the Pierce family, so that they could marry her to the foolish son of the Pierce family.