Adopted by the Zhao family at the age of ten, A Yu suffered long-term abuse and was about to be sent onto an ocean-going cargo ship. While working at the dock one day, she accidentally picked up a missing person notice searching for "Su Wanxing", and found that her age, appearance, and the crescent-shaped birthmark on her right leg all matched her own. She dialed the phone with her only three cents. Su Zhenbang, who had been bitterly searching for his daughter for eight years, rushed over upon hearing the news, and the father and daughter finally met on a rainy night.