Ok Chan-mi is a rare breed of K-drama heroine: resourceful, physically capable, emotionally complex, but also vulnerable. Shin Ye-eun ( He is Psychometric ) balances steel with grief perfectly. You feel her rage when she confronts bullies and her heartbreak in quieter moments alone with her brother’s memories. She’s not a vigilante by choice—she’s one by necessity.
Thankfully, the drama avoids the common 16-episode drag. The pacing is relentless, especially in the first half. Each episode ends with a new clue or twist, making it a genuine binge-trap. The mystery of who killed Chan-kyu unfolds methodically, with several plausible red herrings.
After her twin brother, Ok Chan-kyu, is mysteriously killed in a fall at a high school, champion air rifle shooter Ok Chan-mi transfers to his school—Yongsan High—to uncover the truth. She quickly crosses paths with Ji Soo-heon, a cold-hearted student known for beating up bullies and working as a “revenge substitute” (someone hired to get revenge on behalf of victims). Together, they form an uneasy alliance to expose the school’s dark underbelly of corruption, abuse, and a secret vigilante group called “The Shadow.” korean drama revenge of others
At its core, the show is a classic tragedy wrapped in the uniform of a high school mystery. It begins with a gunshot that shatters the life of Ok Chan-mi, played with ferocious intensity by Shin Ye-eun. Her twin brother’s death is dismissed as suicide, a convenient lie that the powerful use to sweep away their sins. What follows is not just a whodunit, but a haunting exploration of grief. Chan-mi’s journey isn't a cool, calculated mission; it is a raw, bleeding wound. She is messy, impulsive, and driven by a love that refuses to let her brother die in disgrace.
(Korean title: 3inching Boksu ) is a gritty high school revenge thriller and mystery drama that premiered on Disney+ in November 2022 . The 12-episode series follows a high school shooter, Ok Chan-mi , who transfers to a new school to uncover the truth behind her twin brother's suspicious death, which was officially ruled a suicide. Along the way, she teams up with Ji Soo-heon , a student who acts as a "hero" by taking violent revenge on behalf of bullied victims. Quick Facts Release Date December 14, 2022 Director Kim Yoo-jin Writer Lee Hee-myung Cast Shin Ye-eun , Lomon , Seo Ji-hoon Network Disney+ , Hulu Episodes Plot Summary: A Quest for Justice Ok Chan-mi is a rare breed of K-drama
Counterbalancing Chan-mi’s fire is Ji Soo-heon (Lomon), the introverted student who becomes her unlikely partner—and the object of the show’s central tension. Soo-heon represents the moral grey area where Revenge of Others thrives. He is a victim turned vigilante, using the "Eye for an Eye" app to deliver justice for others who are bullied and ignored. On paper, he is a hero. But the show is brave enough to suggest that violence, even righteous violence, corrodes the soul.
The story begins with the shocking death of , who falls from a school window. His twin sister, Ok Chan-mi , a competitive shooter, refuses to believe he killed himself and transfers to his school, Yongtan High , to find the culprit. There, she encounters Ji Soo-heon , a popular but struggling student who secretly beats up bullies for money to pay for his mother’s hospital bills while dealing with his own terminal brain tumor diagnosis. She’s not a vigilante by choice—she’s one by necessity
Teen Thriller, Mystery, Action, Melodrama Episodes: 12 Streaming On: Disney+ (in select regions) Starring: Shin Ye-eun (Ok Chan-mi), Lomon (Ji Soo-heon), Seo Ji-hoon (Seok Jae-beom)
It is a gripping, emotional watch that leaves you with a lingering thought: In the quest for an eye for an eye, everyone eventually goes blind.
The brilliance of the drama lies in this duality. We cheer when the bullies get a taste of their own medicine, reveling in the cathartic beatdowns that Soo-heon delivers. Yet, as the series progresses, the lines blur. The show forces the audience to confront the uncomfortable reality that vengeance is an addictive drug. It doesn't heal the wound; it just keeps it open. The drama’s central hook—the mystery of who actually pulled the trigger—is tightly plotted, but the real suspense comes from watching the characters lose their moral footing.