Introduction to the plot of "Secret War" (Episodes 1-30) Full series. Introduction to the plot of each episode of "Secret War", grand finale, cast list.
The security bureau investigator, Liu Zhijun, is tailing an overseas spy codenamed "Leopard". As Leopard is about to board a plane to leave the country, Liu Zhijun discovers evidence left behind by Leopard in the airport restroom while extracting a micro hard drive. The data hard drive carried by Leopard is opened, simultaneously activating its countdown self-destruction system. Police cyber expert Pang Jian is tasked with deciphering the hard drive password and uncovers a secret document related to satellites.