Jeonokseo, the most horrifying prison in Joseon, is where Ok Nyeo was born. This genius girl learns the art of living from the most eccentric people of the time. Despite the difficulties, Ok Nyeo grows up to introduce a human rights institution of Joseon to protect the weak.

Ji Sung Joon has a crush on the most beautiful girl in town, Kim Hye Jin – the only problem is, he’s unattractive and lacks self-esteem. As fate would have it, years later Sung Joon grows up to be not only successful, but extremely attractive. However, when he runs into his first love Hye Jin, she has become unattractive and poor. Can their love transcend the vanity they both associated with each other?