Outsiders only know about the beautiful eldest daughter Tang Luoqian, who is soon to be married to Luo Zhan, the young master of the Luo Family. Very few people know that the Tang family also has a blind, younger daughter, called Tang Ran. On her sixteenth birthday, she was gifted a bionic robot. Tang Ran, alone in the side house, fumbled towards where her robot was, wanting to meet him. In the chaotic darkness, there stood Luo Zhan. After a long time, he spoke. "Good evening, master."