· Protagonist: Lin Yi. A modern social animal, with a double major in history and marketing, he is well versed in the dark side of science and the weaknesses of human nature. He appears to be lazy and unruly, but in fact he has an insight into the world.
· Goldfinger: A photographic historical knowledge base + marketing packaging thinking + strong on-the-spot performance and deception abilities. It can re-deconstruct any ancient phenomenon using "business thinking".
· Time Travel Identity: Travel as a poor scholar from the Dasheng Dynasty who has just been kicked out of the Hanlin Academy and is about to become a teacher for the prince in the cold palace.
· Core conflict: The decadent dynasty is plagued by internal and external troubles, the gentry and clan control the government, and the emperor is foolish and suspicious.
