Before the age of seventeen, Qin Ziyu followed the rules and lived a very ordinary life every day. After Qin Ziyu turned seventeen and met Shen Qing, she realized that there was another way to live. Later, Shen Qing became her light. But she forgot that the other side of the light is darkness. Later, during the years when she was separated from Shen Qing, she seemed to become her. The story of a really good girl and a "bad" girl.
Concept: Shen Qing is her light, but what she doesn't know is that she is also Shen Qing's light.