During college, Song Qian (Park Hanxing) was very good friends with Nana (Xin Zhilei), Yu Fei (Li Xinyue), You Feng (Zhang Haoran), Hong Rui (Yang Fan), and Yang Zheng (Sun Shaolong). Until I met freshman Xiao Ai (Zhang Tingting). The beautiful Xiao Ai caused cracks in the originally close group. Especially Nana, who targeted her everywhere, only Song Qian worked hard to maintain everyone's relationship. Gradually, bad rumors began to spread in the school-Xiao Ai has always been regarded as the embodiment of evil, and everyone who comes into contact with her will suffer bad luck. Soon Hongrui accidentally broke his leg and missed an important game. Song Qian and several others played with Bi Xian in the rooftop attic of the school. As a result, Bi Xian also verified Xiao Ai's untold nature, and Xiao Ai jumped off a building and committed suicide that night. After graduating from college, Song Qian and her classmates all developed smoothly in their careers. Some became big stars and some became corporate elites. Until Nana returned from the United States, strange things happened one after another, and everyone began to encounter danger. The mystery was revealed layer by layer. It turned out that Xiao Ai's death in college was due to another reason... In 2013 and 2010, in the city and on campus, there was a long-standing university journey...