Time travel: Modern psychology professor Wang Ling accidentally traveled through the Qin Dynasty and became Hu Hai, the second emperor of Qin. Faced with Zhao Gao's temptation of "turning a deer into a horse", he relied on his professionalism to see through the conspiracy.
Game of life and death: Wang Ling, who is well versed in criminal psychology, sees through the murderous intent in Zhao Gao's body language, uses the palace candlelight to create psychological deterrence, and completes the counterattack at the critical moment.
