1. Episode 1

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.

3. Episode 3

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

6. Episode 6

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.

7. Episode 7

Young-Do becomes suspicious of Eun-Sang's social status and her relationship with Tan when bullying a boy of a lower social class.

8. Episode 8

Rachel overhears Tan confess his feelings to Eu- Sang, who is reluctant to reciprocate due to their class differences.

9. Episode 9

Surprised by Kim Tan's kiss, Eun-Sang runs away. Later, Tan and Young-Do fight once more. Meanwhile, Ki Ae pretends to be Eun-Sang's mother.

12. Episode 12

Young-Do discovers Eun-Sang's secret about her mother working as a maid for Tan's family. Tan reveals his own secret to Rachel.

13. Episode 13

Rachel visits Young-Do and asks why Tan hid the fact that he was an out-of-wedlock child. Eun-Sang and Tan announce their relationship.

18. Episode 18

Chairman Kim and Ki-Ae argue, resulting in her decision to separate. Moved by his brother's pain, Won steps in to help Tan and Eun-Sang.

19. Episode 19

Tan makes a public stand against his father for Eun-Sang's sake, but his real obstacle is getting her mother's approval.

20. Episode 20

The fate of Jeguk Group lies in Tan's hands as he asks Young-Do for help and meets with foreign shareholders to receive a power of attorney.