With the help of Heiji, Conan and the Junior Detectives found out that the drug exchange is going to take place in Osaka, and that the suspect will be carrying a white rose. Heiji goes to the spot and finds three possible suspects, which Heiji uses his phone camera to show the kids. However, one of the suspects is acting awfully friendly and chatty to Kazuha who happens to be in the area, and Heiji becomes infuriated.