1. Episode 1

Only selected professors are accepted as residents of Sky Castle. Han Seo-jin ho... Mas Marami

2. Episode 2

A single gunshot at Sky Castle. The death of Lee Myeong-ju throws everybody into... Mas Marami

3. Episode 3

Upon reading Yeong-jae’s tablet PC diary, Han Seo-jin slaps Kim Ju-yeong on the ... Mas Marami

4. Episode 4

Seo-jin is in a crisis of being chased away from Sky Castle. She tries to set up... Mas Marami

5. Episode 5

Seo-jin encounters a haggard Yeong-jae in front of Ju-yeong’s office. Meanwhile,... Mas Marami

6. Episode 6

Jun-sang feels his heart drop when his first love Kim Eun-hye calls. Seung-hye f... Mas Marami

7. Episode 7

After reading Yeong-jae’s tablet PC diary, Su-im and Ye-bin are shocked at the n... Mas Marami

8. Episode 8

Su-chang takes Ju-yeong away and Seo-jin starts to follow them. Concerned about ... Mas Marami

9. Episode 9

Hye-na is shocked after hearing the truth about her mother’s secret. Seo-jin inv... Mas Marami

10. Episode 10

Seo-jin is confused by Ju-yeong’s suggestion that she takes Hye-na into her home... Mas Marami

11. Episode 11

Seo-jin takes Hye-na in as Ye-bin’s resident tutor. As her novel progresses, Su-... Mas Marami

12. Episode 12

Seo-jin, learning that Hye-na is Jun-sang’s daughter, fears that she may have en... Mas Marami

13. Episode 13

Seo-jin resents Ju-yeong for making her take Hye-na into her home. Seung-hye can... Mas Marami

14. Episode 14

Seo-jin turns to Su-im for help. Ye-seo is relying on Ju-yeong more than her own... Mas Marami

15. Episode 15

Hye-na suddenly falls to her death on the night of Woo-ju’s 19th birthday. The i... Mas Marami

16. Episode 16

Seo-jin learns that Ye-seo is involved in Hye-na’s death. She's caught between m... Mas Marami

17. Episode 17

Jun-sang, learning that Hye-na is his daughter, is in despair. Su-im and Chi-yeo... Mas Marami

18. Episode 18

After learning that Hye-na’s death is connected to Ju-yeong, Jun-sang rushes to ... Mas Marami

19. Episode 19

Tension between Seo-jin and Ju-yeong grows high after he passes exam papers to S... Mas Marami

20. Episode 20

Seo-jin recalls her past actions, feeling deep guilt. Woo-ju makes a shocking an... Mas Marami