The Heirs

17-year-old Cha Eun-Sang takes her ne'er-do-well sister's wedding in the U.S. as a chance to escape her life as the daughter of a mute housemaid.

Stranded by her sister and with her passport taken away by the police, Eun-Sang accepts Kim Tan's offer of staying at his house.

As Tan and Eun-Sang get to know each other better, Tan finds himself growing more attached to her.

Rachel returns to Korea, and so does Eun-Sang who finds that her mother has moved into the Kim household.

Tan causes an uproar in his house and with his social circle upon his surprising return to Korea.

Eun-Sang and Tan begin their first day at Jeguk High School. While Eun-Sang is introduced to the social class system of the school by Chan-Young.