Undercover police officer Chen Jin was wanted by the entire Internet seven days ago as the culprit in a series of murders, but on the last night of the countdown, he killed the real culprit, triggering a shady story in the police industry. Inspection team leader Lu Zhao violated orders and pursued the case, and found that behind the case was a weapons smuggling network covered up in layers. Technician Su Rui's remaining data, forensic doctor Zhou Yan's autopsy report, and paralyzed informant Ajiu's darknet secrets all point to Deputy Director Shen Xiao. When Chen Jin tears off his disguise, Lu Zhao must make a choice between rules and justice - and the truth has just revealed its first crack.
