After graduating from high school, Sun Xiaomei gave up college, but she did not give up on her dreams and life. She escaped from her indifferent stepfather and helpless mother, and she also set foot on a distant place with her grandmother who loved her most and cared about her most without saying goodbye. That year she fell in love with "The Story of the Sahara" and she wanted to search for the desert just like she was looking for another self. However, before she closed her eyes, she just glanced at some photos of the desert taken by her daughter and her husband. When she saw her daughter in the photos wearing a white wedding dress, she finally closed her eyes and finally saw her grandmother.