Chu Yun Xiao, a young knight, first entered the arena, but by chance, he was involved in a terrifying conspiracy. When he tried to clear the fog with his super high martial arts and IQ, he unexpectedly discovered that he was also in the game. As the fog slowly opened up, the reality that gradually emerged was the unbearable burden of life. He was told that the past twenty years were just a scam, a lie that was woven together by his father and closest friends.