"Touching Ten Thousand Homes" Episode Introduction (Episodes 1-23) Full Series, Episode-by-episode Introduction, Final Episode Cast.
Investigator Liu Zhijun from the Security Bureau was tailing an overseas spy known as "Cheetah." Just as Cheetah was about to board his flight and leave the country, Liu Zhijun discovered evidence left behind by Cheetah in the airport restroom when he extracted a mini hard drive. The data hard drive carried by Cheetah was opened, simultaneously triggering its countdown self-destruction system. Police cyber expert Pang Jian was urgently assigned to crack the hard drive password, uncovering a secret file related to satellites.