Case Closed: Season 1, Episode 327
1 - 327: The Red Horse Among the Flames: The Resolution
After investigating Genda's home, they find out that there were covert listening devices in planted by Soga and Gondou and realize who the culprit is.
After investigating Genda's home, they find out that there were covert listening devices in planted by Soga and Gondou and realize who the culprit is.