If you’re streaming on Motchill, do yourself a favor: download the episodes if possible (the site’s buffering is infamous during peak hours). Turn off the auto-play next episode—you’ll need a minute between episodes 11 and 12. And keep a stress ball nearby.

She transfers to his violent, corrupt high school, Yongtan High, not to study, but to hunt. Her mission: find the killer. Along the way, she teams up with Ji Soo-heon (Park Solomon, All of Us Are Dead ), a mysterious student with his own vigilante past. Together, they run a secret help desk called “Revenge Service,” where wronged students can pay back their bullies.

From the opening scene of a boy falling from a rooftop to the final, haunting freeze-frame, “Revenge of Others” never lets you breathe. Here’s the complete breakdown for anyone about to hit play on Motchill’s often-glitchy but beloved servers. Ok Chan-mi (played by the phenomenal Shin Ye-eun) is a competitive shooter—a national medalist in air rifle. Her world shatters when her twin brother, Ok Chan-kyu, dies in a fall at school. The police rule it a suicide. Chan-mi knows it’s murder.

Yes. But don’t expect to feel good after. Expect to feel something much rarer: challenged. Have you finished “Revenge of Others” on Motchill? Drop your own thoughts below—just no spoilers for the last 30 seconds.