Ran and Sonoko go to Jodie's Apartment

Jodie announces that she will be leaving the school for personal reasons. And Ran and Sonoko want to have a going away party for here at her apartment. The stop at a convenience store and get involved with a case. The whole time Jodie is having flashbacks to an event in her childhood. Later Sonoko and Ran have the party with Jodie at her apartment. When ran goes into the bathroom she notices a picture sticking out from behind the mirror. She opens the cupboard and finds many pictures of Shinichi, Conan, herself, and some others.

At this point in the story, everything has been set up for the next big reveal to bring things together.