The story takes place around the time of the COVID-19 pandemic and spans more than two years. It centers on a key suspect in a fraud case, as the police and an undercover agent work together on all fronts, going deep into detention centers and prisons. In the end, they break through the suspect's protection and bring him to justice.
Told in a documentary style, this story depicts a young man who broke the law and the prison life he experiences after being arrested: his struggles, pain, self-reflection, and renewal. It offers readers a rare glimpse into a little-known way of life from a fresh perspective, with a strong cautionary and educational message.
The protagonist is arrested and imprisoned for a crime. While in custody, he cooperates with the police handling the case, gets close to a key suspect, and earns his trust, providing crucial evidence that helps solve the case. In the end, he successfully helps the police bring the case to a close.