I Cheom pursues Ba Wu, but Ba Wu steals an important letter meant for the Ming Dynasty from I Cheom's son.

Su Gyeong's book reaches Gwanghae-gun, but Ba Wu is mistakenly arrested; they reunite tearfully in Guan-ah.

Gwanghae-gun stays composed, aware of Ba Wu's identity; Kim Ja Jeom unveils Su Gyeong's ledger.