Former professional snooker Lin Yi Yang met the popular nine-ball player Yin Guo on a rare snowstorm night. With the help of Yin Guo's cousin, they got to know each other. Yin Guo's appearance changed his life; he fell in love with her.

A year ago, a revenge murder case occurred in the small northern town of Chencang, and the perpetrator Qin Hong fled; One year later, when the police "discovered" Qin Hong in the south, her body had already been thrown into the sea by her boyfriend Ma Weicheng, and there were no bones left. This is a case where both personal and physical evidence are present, and the perpetrator has even confessed to the crime. However, the disappearance of the body has made the chief detective Liu Wang uneasy. Without a doubt, "Is Qin Hong really dead?"

After getting a chance to relive her high school years, a student learns to balance academic success with personal growth, discovering that meaningful relationships develop naturally when pursuing her goals.