A fabled painting from royal palace was discovered after 400 years. Once properly restored, it could fetch at least $40 million in the international auction market. Bae is the owner of the gallery which possesses the painting. She scouts top-tier restoration artist Lee to work on the painting. With Lee's expert stroke, the controversy surrounding the painting is slowly unveiled. As the painting's true form is restored, art experts in Korea hold a collective breath. Little do they know that they're only a part of a bigger scheme.
Unfortunately the movie Insadong Scandal is not yet available on HBO Max.
| Sound | Park Jun-o | Sound Supervisor |
| Writing | Oh Tae-kyung | Adaptation |
| Directing | Park Hee-kon | Director |
| Writing | Kim Tae-yun | Story |
| Production | Kim Jang-wook | Executive Producer |
| Camera | Choi Sang-ho | Director of Photography |
| Art | Lee Hwo-kyoung | Art Direction |
| Sound | Bang Jun-seok | Original Music Composer |
| Writing | Park Hee-kon | Writer |
| Editing | Nam Na-young | Editor |
| Production | Jeon Ho-jin | Executive Producer |
| Costume & Make-Up | Choi Min-seon | Makeup & Hair |
