Mystery20251 season★ 8.7

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A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.

Created by Song Chae-yun

Where to watch

Stream
Netflix
Rakuten Viki
Netflix Standard with Ads
Free
Hoopla
With ads
OnDemandKorea
Tubi TV
Amasian TV
Buy
Amazon Video

Provider data via JustWatch.

Episodes

  1. 1

    Episode 1

    Feb 10, 202530 min

    After living in a orphanage, Woo Seul-gi transfers to a top-ranking school hoping to find her father - and soon catches the eye of a popular student.

  2. 2

    Episode 2

    Feb 11, 202530 min

    Facing a heartbreaking discovery, Seul-gi struggles to adjust to her demanding schoolwork, while her background makes her a target of bullyng.

  3. 3

    Episode 3

    Feb 12, 202530 min

    Yu Je-i continues to show kindness towards Seul-gi and invites her to her private study space, drawing the two girls closer together.

  4. 4

    Episode 4

    Feb 13, 202530 min

    A furious Choi Gyung becomes suspicious when Je-i nominates Seul-gi as class monitor. Ju Ye-ri overhears a conversation about Je-i's former seatmate.

  5. 5

    Episode 5

    Feb 17, 202530 min

    While Seul-gi finds details of her family history on Je-i's phone, Choi Gyung looks into the connection between the two girls'past.

  6. 6

    Episode 6

    Feb 18, 202530 min

    Students take drastic measures to beat the stress of midterms. Choi Gyung shares a discovery with Seul-gi, causing them to question Je-i's intentions.

  7. 7

    Episode 7

    Feb 19, 202530 min

    Ye-ri makes a deal with Je-i's father, Yu Tae-jun, by using his secret against him. Seul-gi worries about a healt checkup following her exams.

  8. 8

    Episode 8

    Feb 20, 202530 min

    Ye-ri steals Seul-gi's father's phone. As she tries to unlock it, the rest of the students head to the school festival.

  9. 9

    Episode 9

    Feb 24, 202530 min

    An attack at the festival causes panic at the school. Je-i comes to face with a figure from her past as they fight over the stolen cellphone.

  10. 10

    Episode 10

    Feb 25, 202530 min

    As the police investigate the school's drug problem, Seul-gi comes under suspicion. Je-i makes a deal while seeking to help Seul-gi.

  11. 11

    Episode 11

    Feb 26, 202530 min

    Struggling to find Yu Je-na, Je-i decides to frame her for dealing, hoping the police will be able to locate her before their father does.

  12. 12

    Episode 12

    Feb 27, 202530 min

    A traumatic discovery leaves Je-i in a vulnerable state. Feeling uncertain over the situation, a suspicious Seul-gi looks for answers.

  13. 13

    Episode 13

    Mar 3, 202530 min

    While attending a funeral, Seul-gi suspects foul play. Her search foe evidence leads to a grim connection between her father and Tae-jun.

  14. 14

    Episode 14

    Mar 4, 202530 min

    With the help of Seul-gi, Je-i uses hidden cameras to spy on her parents, hoping to find a witness who can assist with the court case.

  15. 15

    Episode 15

    Mar 5, 202530 min

    Je-i and Seul-gi take drastic steps when their ranks slide after a big test. Byeong-jin pressures Choi Gyung into taking pills to maintain her grades.

  16. 16

    Episode 16

    Mar 6, 202530 min

    Leading up to the exam, Je-i and Seul-gi craft a final, defiant plan - but there are high risks for everyone involved.

Cast

  • Lee Hye-ri

    Lee Hye-ri

    Yoo Je-yi

  • Chung Su-bin

    Chung Su-bin

    Woo Seul-gi

  • Kang Hye-won

    Kang Hye-won

    Joo Ye-ri

  • Oh Woo-ri

    Oh Woo-ri

    Choi Gyeong

  • Kim Tae-hun

    Kim Tae-hun

    Yoo Tae-joon

  • Chae Seo-eun

    Chae Seo-eun

    Jo Ah-ra

  • Choi Young-jae

    Choi Young-jae

    Nam Byeong-jin

  • Kim Sang-ji

    Kim Sang-ji

    Beom-soo

  • Lee Won-jae

    Lee Won-jae

    Woo Do-hyeok

  • Yoo Jung-Rae

    Yoo Jung-Rae

    Homeroom Teacher

  • Kang Jin-ah

    Kang Jin-ah

    Kwon Hee-yoon

  • Ma Hyun-ji

    Ma Hyun-ji

    Park Byeong-hui

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