27-year-old Xia Shi works as an entertainment reporter. During one of his work, he met his high school classmates Cui Zhenyan and Lin Shanhe. Xia Shi recalled that his once wonderful life at the age of 17 changed because of a case his father was involved in. Under Cui Zhenyan's persuasion, Xia Shi tried a VR game. In the game, 17-year-old Xia Shi is still a top student. He met a classmate named Ye Sangyu, and the lonely him began to change. But he found that the things in the game were his real experiences, and he began to explore what was behind the game...