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With just one bite, a mysterious homemade cookie turns dreams into reality, but it takes over the elite high school, and deadly consequences await.

  1. Song Min-yeop


Series Cast

  1. Nam Ji-hyun as Choi Soo-young

    Nam Ji-hyun

    Choi Soo-young

    20 Episodes

  2. Jung Da-bin as Choi Min-young

    Jung Da-bin

    Choi Min-young

    20 Episodes

  3. Choi Hyun-wook as Seo Ho-soo

    Choi Hyun-wook

    Seo Ho-soo

    20 Episodes

  4. Kim Moo-yul as Yoo Sung-phil

    Kim Moo-yul

    Yoo Sung-phil

    20 Episodes

  5. Seo Bum-june as Song Jin-woo

    Seo Bum-june

    Song Jin-woo

    20 Episodes

  6. Chae Seo-eun as Park Hee-jin

    Chae Seo-eun

    Park Hee-jin

    20 Episodes

Full Cast & Crew

Current Season

Season 1

2023 • 20 Episodes

Imagine a huge, vast campus, filled with impressive buildings, where ambitious students eagerly studying inside. But there is a secret lies beneath this prestigious school - a mysterious cookie deal among the students. With just one bite, students can see their dreams coming true vividly. Soo-young had no clue that such a cookie exists, nor did she know that her only sister gets caught in the case at school. When a student fall into a danger after eating this cookie, Soo-young jumps into school to save her sister. But as she digs deeper into the secret, deadly consequences await.

Episode 20

(1x20, November 20, 2023) Season Finale

View All Seasons

High Cookie
High Cookie


Original Name 하이쿠키

Status Ended


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Type Scripted

Original Language Korean


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