Hyeon-joon, who transferred to Gwangsanggo, meets Jin-won, Byeong-yeon, and Yeong-soo, who are armed with a knuckle, and forms to be the fourth musketeer. As the Four Musketeers continued their fearless moves, the rest of them showed up one by one.
Face it! The unprecedented and ignorant youth tournament begins!
Cuenta la historia de la princesa Songhwa de la era Joseon, quien se rehusó a aceptar su destino de casarse con uno de los cuatro príncipes pretendientes considerados para tener una buena compatibilidad marital con ella, y que posteriormente escapó del palacio para encontrar al hombre que ella realmente amaba.