One evening, the Tokyo Symphony Orchestra receives a mysterious invitation to perform a special concert at the prestigious Osaka Expo. The members are overjoyed at the opportunity and eagerly prepare for the event. However, their excitement is short-lived when a series of unfortunate incidents occur.
During a rehearsal, the orchestra’s leader, Maestro Araki, suddenly collapses after consuming a poisoned candy. This shocking incident sends the musicians into a state of panic. Conan, who happened to be present at the rehearsal, quickly deduces that Maestro Araki was targeted deliberately.
As the investigation unfolds, it becomes apparent that the Tokyo Symphony Orchestra is being systematically targeted by a sinister force. Conan, along with his friends Ran Mouri, Kogoro Mouri, and the Detective Boys, are determined to uncover the truth behind the orchestral chaos.
The key to solving the mystery lies in a musical score known as “La Funesta del Invito.” This rare and enigmatic piece holds crucial clues that connect to the sinister plot against the orchestra. Conan, with his astute deduction skills, begins unraveling the intricate web of secrets surrounding the symphony.
As the story progresses, Conan discovers that the person behind the orchestral chaos is none other than the renowned pianist and composer, Vermouth. Vermouth, a member of the secret criminal organization called the Black Organization, seeks revenge against the Tokyo Symphony Orchestra due to a past grudge.
Conan realizes that Vermouth intends to create chaos during the orchestra’s performance at the Osaka Expo, putting countless lives in danger. Determined to stop Vermouth’s evil plans, Conan devises a plan to expose Vermouth’s true identity and bring justice to the orchestra.