A triangular relationship between Eo Woo-dong, her husband Lee Dong, and fantasy character Moo-gong, highlights on the first half of the Joseon Dynasty and portrays the contradicted life of the high class people, criticizing the modern day Korean society.
| Actor | Role |
|---|---|
 Song Eun-ChaeHye-in | Hye-in |
 Yeo Wook-hwanMoo-gong | Moo-gong |
 Yoo Jang-youngKing Sejong | King Sejong |
 Baek Do-binYi-dong | Yi-dong |
 Kim Ki-dooKim Sang-Sun | Kim Sang-Sun |
 Nam Kyung-eupVice Minister Park | Vice Minister Park |
 Lee BomMyo-hong | Myo-hong |
| YYook Mi-raLandlady | Landlady |
 Moon Young-dongPark Kang-cheong | Park Kang-cheong |
 Kim Young-woongMinister of War | Minister of War |
| AAhn Soo-hyunHye-in's Mother | Hye-in's Mother |
 Kim Jung-palHan Jung Seok | Han Jung Seok |