In 2099, in the Daxia Federation, the "Tianshu Foundation" developed the epoch-making "Spirit Mirror" technology, which can project the complete body of a person with high martial arts abilities into a semi-artificial virtual world to test the stability and danger level of the virtual world and repair the world's vulnerabilities. Lin Ye awakened the talent of "Card Master". Because of this talent, Lin Ye was recruited by Tianshu Group as a spiritual mirror tester. However, after entering the spiritual mirror world, Lin Ye discovered that there were some things beyond cognition hidden in these artificial worlds...
