Bei Mingruan is Nan Hao's eldest legitimate daughter, and the daughter he has let down for his entire life! To Nan Hao, Bei Mingruan carries all his countless regrets, but Nan Rongjin is the child he raised with his own hands! Both girls are treasures in his heart, and he can't bear to give either of them up... If not for what happened back then, Bei Mingruan and Nan Rongjin would probably have become very close friends!
"A Ruan, I'm sorry!"
Abandoning one's own child for someone else's is something perhaps only Nan Hao could do! The two girls whose identities were switched went on to lead completely different lives...