The crime drama series "Störst av Allt" tells the story of a tragedy that unfolds in one of the Swedish high schools. One of the students brings a gun to class and starts shooting. As a result, one child dies, but no witness can definitively say who fired the shots. Suspicion falls on troubled student Maya. The girl finds herself in the defendant's seat, where the jury tries to understand what motivated her actions and whether she is a victim or a criminal.