Sekang High School is the most prestigious private high school in Seoul's Gangnam District, and Go Eun Byul is the most popular girl there. Meanwhile, her identical twin Lee Eun Bi is living in an orphanage and is being bullied at school. Then one day, Eun Byul mysteriously disappears. Soon after, Eun Bi loses her memories and is mistaken as being Eun Byul. Eun Bi then starts living her life as Eun Byul.
When Siamwit School faces financial struggles, administrator Paphada decides to merge the Udon Phithak campus with the main campus, Thep Burapha, despite their long-standing rivalry.
Saint, the apathetic leader of class M.5/2, once led a gang of bullies in middle school. He’s now forced to deal with the rebellious and hot-headed Shin, with whom he once shared a close friendship, but a violent fallout shattered it. Their rivalry sparks a classroom war, and teachers Jan and Sung must unite to resolve the conflict and facilitate reconciliation between Saint and Shin.
Saint, the apathetic leader of class M.5/2, once led a gang of bullies in middle school. He’s now forced to deal with the rebellious and hot-headed Shin, with whom he once shared a close friendship, but a violent fallout shattered it. Their rivalry sparks a classroom war, and teachers Jan and Sung must unite to resolve the conflict and facilitate reconciliation between Saint and Shin.
A boy falls to his death at school, but Ok Chan Mi does not believe that her twin brother, Park Won Seok, committed suicide. She then transfers to her brother's school, Yongtan High, and meets Ji Soo Heon, who witnessed her brother's death. During that time a "hero," who avenges bullied students, appears at Yongtan High. Chan Mi speculates that it may be connected to her brother and starts looking for this hero.
Jooshin High School, the most prestigious in South Korea, was established by the Jooshin Group and admits only students selected at birth. Among them are Jeong Jae Yi, daughter of the Jaeyool Group's head; Kim Ri An, successor of Jooshin Group; Yoon He Ra, youngest daughter of International Yoon; and Lee Woo Jin, second son of a political family.
Kang Ha, a transfer student with a secret, joins Jooshin High. His innocent smile masks a hidden truth that starts to disrupt the school's rigid world.
Kang Ha, a transfer student with a secret, joins Jooshin High. His innocent smile masks a hidden truth that starts to disrupt the school's rigid world.
