The Painter of the Wind S01E16 - Episode 16

Hong Do and Yoon Bok show King Jeongjo the portraits of the members of the Five Bamboos Guild painted by the master painter 10 years ago, excluding one that was lost. Hong Do brings out one more painting, saying it is the portrait of the man who killed the master painter and shows him the portrait by Seo Jing without a face. Yoon Bok recognizes the painting her father painted and is shocked by Hong Do's words that he was his best friend.