Sixteen-year-old Shen Linchuan was originally the most promising newcomer of the Nanchuan No. 3 Middle School football team. After a secret filming incident in the dressing area, an action camera that he had touched, the No. 17 Jacket that was photographed, and a chat screenshot of suspicious origin were pointed at him at the same time. No one waited for the evidence to be finished, teammates became distant, childhood sweethearts backed away, and the school told him to "go home first." He eventually transferred to correspondence school, moved in with his grandparents, and worked part-time at a video store in Old Port.
Half a year later, he and He Qinglan, a senior student in the photography department at the university, came across the device serial number again when he received a property sticker for an old camera to be repaired. Maintenance orders, training logs, the missed seventh frame in the original memory card, forum cache and witness memories gradually piece together another timeline. But finding out the truth cannot return the lost campus, love and team intact.
Shen Linchuan decided not to bet his life on the day "everyone believes in me". While handing the facts back to the program, he resumed playing football, studying, and working, and also learned the true boundaries of photography: who can be photographed, who can refuse, and who has the right to decide how he or she is seen.