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Now playing: Season 1, Episode 1 — Senior Year
We can be heroes or monsters.
Children who live in hiding with superpowers, along with their parents who live with painful secrets of the past, face enormous dangers together.
1. Senior Year
2023-08-09
Ordinary high school student Bong-seok hides a secret.
2. Booyang: Family Support, Levitation
2023-08-09
Mi-hyun hides Bong-seok's superpowers, but the mysterious incidents on social media make her anxious.
3. 1+1
2023-08-09
The closer Bong-seok grows to Hui-soo, the more risk of exposure he draws
4. The Secret
2023-08-09
Bong-seok's secret is exposed and Hui-soo walks him home. Frank searches for his third target.
5. Recall
2023-08-09
Hui-soo assures Bong-seok that his secret is safe by revealing her own secret.
6. Bungaeman
2023-08-09
Jeon Gye-do's past is revealed. The NIS finds out information about Frank.
7. The Stranger
2023-08-09
Frank recalls his past as he eliminates his targets. After Frank's visit, Mi-hyun suppresses her son.
8. Black
2023-08-16
In 1994, Mi-hyun is ordered by Deputy Director Min Yong-jun to get close to and learn about the thought process of black ops agent Kim Doo-sik.
9. Humanists
2023-08-16
Doo-sik and Mi-hyun grow closer, and Doo-sik suggests that they deceive Min Yong-jun.
10. The Monster
2023-08-23
Ju-won, who leads his gang with his monstrous abilities, is betrayed and becomes a fugitive.
11. Romanticist
2023-08-23
Ji-hee gradually opens up to Ju-won.
12. Partners
2023-08-30
Doo-sik shows up at Mi-hyun's apartment with a plan to escape Deputy Director Min for good.
13. Jang Ju-won
2023-08-30
After the Black Team disbands, Ju-won is offered a mission by Deputy Director Min to revive the team.
14. The Idiot
2023-09-06
Jae-man tries to save his wife with his strength and Ju-won is sent in to subdue him.
15. N.T.D.P.
2023-09-06
Mi-hyun and Ju-won watch the auditorium video and head to Jeongwon High, while Gye-do discovers Jun-hwa.
16. The Man Between
2023-09-13
With Mi-hyun's question, Il-hwan reminisces about his past.
17. Awakening
2023-09-13
Jun-hwa attacks Hui-soo, and Bong-seok awakens his powers to save her.
18. South and North
2023-09-20
Mi-hyun asks Deok-yoon where Doo-sik is, and he tells her what happened in the North.
19. Final Battle
2023-09-20
The fight takes a new turn with the appearance of a new North Korean superbeing, Jae-seok.
20. Graduation Day
2023-09-20
Parents and children fight to protect each other. Will this repeated war ever end?
Ryu Seung-ryong
Jang Ju-won
Han Hyo-joo
Lee Mi-hyun
Zo In-sung
Kim Doo-sik
Cha Tae-hyun
Jeon Gye-do
Ryoo Seung-bum
Frank
Kim Sung-kyun
Lee Jae-man
Kim Hie-won
Choi Il-hwan
Moon Sung-keun
Min Yong-jun
Lee Jung-ha
Kim Bong-seok
Go Youn-jung
Jang Hui-soo
Kim Do-hoon
Lee Gang-hoon
Kwak Sun-young
Hwang Ji-hee
