One rainy night, Zhao Xiangrong died in a car accident in the mountains. There were three people present: Chi Xu, Chen Jiangjing, and Liang Zhuo. No matter how you look at it, this incident does not look like an accident. The involvement of Wen Qingxuan, the sister of Chi Xu's girlfriend Wen Qingheng, makes the truth even more confusing... But please don't forget that the past is often the sunlight that illuminates the truth, even if it is blocked by the rain curtain.