The episode wraps up the investigation into the Shitara household, a wealthy musical family plagued by "accidental" deaths whenever their heirloom Stradivarius violin is played on a specific birthday. In this finale, Conan unravels a complex web of murder and arson:

The Melodic Mystery of Episode 387: "The Dissonance of the Stradivarius"

Throughout the case, Conan is preoccupied with the phone number of the . He begins to connect the melody of the number's keypad tones to a specific song, a breakthrough that sets the stage for future high-stakes confrontations with the organization. Key Takeaways for Fans

Why This Episode Matters (The Black Organization Connection)

: Conan identifies Kyosuke Haga as the mastermind behind the deaths of Genzaburo and Ayane.