The FBI use Conan to question three suspicious patients so the actual member of the organization won't suspect their involvement. After recording his questioning, they use what they've learned to determine who the fake patient gaining info on Rena Mizunashi is. Question is, will they be able to stop him from making his next move?

Jodie and James of the FBI plan to transfer Rena to another hospital using three transport vans. Meanwhile, all at once, there is a food poisoning outbreak, a gas leak, and a fire which causes traffic and chaos around the hospital. Also, James receives Aquilegia flowers from the deceased Black Organization agent, Rikumichi Kusuda, which contains a small time bomb. Jodie and another FBI agent named Camel rush to detonate it in a remote location. To make matters worse, James is not the only one who received a ticking present from Rikumichi, but every patient in the entire hospital.