Science boy Sha Weiming accidentally traveled back to the Ming Xizong period and encountered Donglin Party members competing for the roster of Wei Zhongxian's party.
Wei Ming relied on his extraordinary wit and "foreseeing" advantages to help the Donglin Party members avoid danger many times.
He skillfully dealt with the Donglin Party and the Eunuch Party, successfully obtained the roster, memorized it, and finally helped the Donglin Party eradicate the Eunuch Party.
Wei Ming never forgets to find his way home, and with the help of his master, he finally returns home through time and space.
Purpose: Using people as a guide can help us know gains and losses; using history as a guide can help us know the ups and downs.