An ordinary girl is admitted to the most prestigious school in the country where she encounters F4, an exclusive group comprised of the four wealthiest and handsomest boys in the school - Dao Ming Si, Hua Ze Lei, Xi Men and Mei Zuo.
Ha-jin travels 1000 years back in time and lands in the era of Goryeo Dynasty as a young girl named Hae-soo. She, now trapped in another person's body, becomes involved in a power struggle against various vicious contenders to the throne.