Starring
Seo Kang-joonJin Ki-jooKim Min-juKim Shin-rockYun Chae-binJeon Bae-soo
Ratings per Episode
Votes per Episode
| E1 | E2 | E3 | E4 | E5 | E6 | E7 | E8 | E9 | E10 | E11 | E12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 7.8 | 7.9 | 8.2 | 8.5 | 8.0 | 8.1 | 8.0 | 8.2 | 8.0 | 7.9 | 8.0 | 8.2 |
About
Ace NIS agent Jung Hae-seong is demoted after a mission failure. He goes undercover at a high school to locate King Gojong's missing gold, meeting his teacher Oh Soo-ah, who sees him as her lost first love, stirring old heartbreak.
All Seasons
▼
Season 12025
8.12K12
| Ep | Title | Rating | Votes | Runtime | |
|---|---|---|---|---|---|
| ▶ | 1 | The Emperor's Lost Gold | 7.8 | 250 | — |
| ▶ | 2 | Spooky Stories | 7.9 | 236 | — |
| ▶ | 3 | Ghost Story Riddles | 8.2 | 222 | — |
| ▶ | 4 | Joining the Student Council | 8.5 | 244 | — |
| ▶ | 5 | Student Council | 8.0 | 182 | — |
| ▶ | 6 | Hae Seong's Father's Notebook | 8.1 | 188 | — |
| ▶ | 7 | The 24th Anniversary of Byeongmun High | 8.0 | 165 | — |
| ▶ | 8 | The Plan for VIP Students | 8.2 | 166 | — |
| ▶ | 9 | The Mathematics Teacher | 8.0 | 151 | — |
| ▶ | 10 | Retribution | 7.9 | 154 | — |
| ▶ | 11 | The Devastating Truth | 8.0 | 140 | — |
| ▶ | 12 | Where The Stars Lead | 8.2 | 144 | — |
Full Cast & Crew
Cast
Seo Kang-joon Jeong Hae-seong
Jin Ki-joo Oh Soo-ah
Kim Min-ju Lee Ye-na
Kim Shin-rock Seo Myeong-joo
Yun Chae-bin Yoon Chae-rin
Jeon Bae-soo Ahn Seok-ho
Kim Young-ah Soo-ah's Mother
Jo Bok-rae Go Young-hoon
Park Se-hyun Ahn Yoo-jeong
Park Jin-woo Park Jae-moon
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