In the changing international situation, China made a major decision and assigned a group of the best people to go out to perform special tasks. They shoulder a heavy mission. Once they embark on the journey, the confidentiality level of the files will be adjusted to the highest level. During the mission outside, they will only be accompanied by their code names. Although the road ahead is full of unknowns and dangers, and they may even hide their true identities forever, they set out resolutely for the sake of the prosperity of their motherland. What challenges will they face in this crisis-ridden mission?
