In the Joseon dynasty, a female breadwinner takes a job as a substitute test-taker, but soon finds herself attending a men's university in disguise.

Park Min-youngas Kim Yoon-hee / Daemul
Park Yoo-chunas Lee Seon-joon / Garang
Yoo Ah-inas Moon Jae-shin / Georo
Song Joong-kias Goo Yong-ha / Yeorim
Kim Kap-sooas Left State Minister Lee Jung-moo
Lee Jae-yongas Ha Woo-kyu
Ahn Nae-sangas Professor Jung Yak-yong
Kim Ha-kyoonas Choi Shin-mook
Kim Mi-kyungas Mrs. Jo
Kim Kwang-kyuas Hwang Ga