Seul-gi, raised in an orphanage after being abandoned as a child, discovers her father's identity and transfers to Chaehwa Girls' High School. She faces the challenges of fitting into a school dominated by the top 1% of students.

As Seul-gi tries to adjust, she catches the attention of Yoo Jae-yi, the school's queen bee. Their initial interactions hint at a complex relationship that blurs the lines between friendship and rivalry.

Seul-gi delves deeper into the circumstances surrounding her father's mysterious death, suspecting connections to the school's administration. Jae-yi's intentions remain ambiguous.

Jae-yi introduces Seul-gi to the school's social hierarchy. Seul-gi begins to understand the underlying tensions and power dynamics among the students.

Rumors spread about Seul-gi's past, isolating her further. She confronts Joo Ye-ri, the school's gossip queen, leading to unexpected revelations.

Seul-gi forms an alliance with Choi Kyung, a student who constantly ranks second to Jae-yi. Together, they start to challenge the established order.

A critical exam becomes the battleground for academic supremacy. Seul-gi suspects foul play when exam questions are leaked.

Tensions rise as Seul-gi confronts Jae-yi about the leaked exam. Their relationship reaches a breaking point.

Seul-gi uncovers evidence linking Jae-yi's father to her own father's death. She grapples with the implications of this discovery.

A trusted ally betrays Seul-gi, jeopardizing her investigation. She must decide whom she can truly trust.

The school's administration intervenes as the scandal threatens to go public. Seul-gi faces disciplinary action.

Jae-yi confronts her father about his involvement in the scandal. She begins to question her own values and choices.

Jae-yi seeks to make amends with Seul-gi. Together, they plan to expose the truth to the public.

The duo devises a strategy to reveal the corruption within the school's administration. They gather allies and evidence.

Their plan is set into motion, but unforeseen obstacles threaten to derail their efforts. Seul-gi's emotional turmoil intensifies.

In the series finale, the truth comes to light, leading to significant changes at Chaehwa Girls' High School. Seul-gi and Jae-yi find closure and look forward to new beginnings.