Episode 1: “The Invitation”
Summary: Troubled high schooler Yoo Min receives a cryptic invitation to join an elite study group led by the enigmatic Kim Joon. The group’s first meeting reveals each member’s hidden struggles—from bullying to family pressure—and a shocking rule: No one quits once they join.
Key Moments:
- Introduction of the 5 main characters and their motivations.
- The group’s first “test” ends with a mysterious notebook.
- A cliffhanger: Who is really behind the study group?
