Song Ren, a graduate student in the Department of History and Law, traveled to the Ming Dynasty in a parallel world and became the only scholar in the county. He was also a lawyer who helped people submit petitions and litigate lawsuits. Song Ren has seen all the unfair things, tasted the warmth and warmth of the world, fought against villains, founded a business, solved unsolved cases, and brought peace to the world... All he wants is to let justice exist in the court!