With evidence from the bag and elimination, they are able to track down the culprit and arrest him but Takagi's bag is lost in the ocean in the process.

Sonoko, Ran, and Conan go to the school where they discover the real Dr. Araide is back. He informs Conan of what happened, and told him that Jodie told him to tell him everything. Later, Sonoko rants on about the death of a student terrorizing the school, and tells them stories to support this claim. Later the desk is found outside with a name on it. What's strange is that it's raining, yet, there's no footprints in the mud.