After witnessing raids on commoners to deal with the illegal book distribution, Lee Sun is doing his best to legalize books. Refusing to drink medicine, King Young Jo says he is going to abdicate.

The Soron and Noron are fighting against each other for the right to investigate after Shin Bok's dead body has been found. However Lee Sun decides different and orders Gye Hee to investigate.

Unable to believe Gye Hee's report, Lee Sun orders for a re-investigation of Heung Bok's murder case.