Episode 1099: Chihaya Hagiwara, Goddess of the Wind (Part 2)
Scenario: Ran, Kogoro, and Sonoko arrive at a popular restaurant. Conan and Professor Agasa join them inside after showing up late, where they are greeted by Nanjo, president of Suzuki Security, in disguise. He has been receiving threats since he provoked the thieves who stole a safe the other day, and is feeling constrained by the bodyguards assigned to him. Later, Nanjo steps away to visit the restroom. Conan realizes the professor has been in the restroom for a long time, and when he goes to check on him...!
While riding on Chihaya's motorcycle, Conan skillfully identified the rough location of the two criminals; by using the tapping device installed on Professor's glasses, he was able to hear the persistent sound of fire trucks, which made them target the exact location instantly. Hence, Chihaya demanded a checkpoint along the path that the kidnappers were planning to take. On most occasions, it would work and intercept the culprits right away; however, after they consulted the police at the checkpoint, they got the information that no yellow cars with the same model as the kidnappers had passed through. And supposedly it could be the only way for them to escape, and if they turned backwards, Conan and Chihaya, who were riding the motorcycle at the back, would notice them as well. After some time, the police received the information that when they were doing the car examination, they heard that there were some people buying a lot of bottles of hot tea from a nearby convenience store. Apart from the 20 bottles of hot tea, they also bought a blue-grey umbrella. Conan was then able to deduce that the people the police were mentioning must be the two kidnappers, since he also heard a chime of the convinience store door in the tapping device.
Conan eventually understood how the two criminals could pass over the checkpoint without noticing, and the truth was...