We have changed our privacy policy. In addition, we use cookies on our website for various purposes. By continuing on our website, you consent to our use of cookies. You can learn about our practices by reading our privacy policy.

Harry Potter and the Prisoner of Azkaban Scene 21 Summary

  • Scabbers, who doesn't seem to take executions well, bites Ron's finger and runs away, straight for the Whomping Willow.
  • Because a murderous tree isn't enough, a mangy dog appears and drags Ron into a hole in the tree's base. Whoa.
  • One woody thwack knocks Harry's glasses off, and another wild limb grabs Hermione, sending her flying through the sky.
  • They manage to escape and follow Ron into the tunnel beneath the tree.
  • It leads them to the scary Shrieking Shack.
  • They find Ron in a room, but he isn't alone.
  • The dog has transformed back into a human. Not just any human, but Sirius Black.
  • Harry pins Sirius to the floor, but then Lupin shows up and disarms Harry.
  • He helps Sirius up. They're allies.
  • Hermione reveals that Lupin's a werewolf.
  • Lupin says that it wasn't Sirius who betrayed Harry's parents. It was Peter Pettigrew. We can't take many more plot twists.