Ep. 8: Fin pursues a pianist possessed by a demon within an ancient piano's melody.
Aired on April 3, 1999

8
Jeanne issues a cryptic warning to a young pianist whom Fin has developed romantic feelings for. This musician has become possessed by a demon concealed within the melody of an ancient piano. The meaning of Jeanne's message remains unclear to everyone involved until she takes action by stealing the instrument itself. This event clarifies the situation for the group, revealing the true nature of the threat and the demon's connection to the music. The narrative focuses on the supernatural influence exerted through the piano and the subsequent efforts to address the possession affecting the talented musician.
Episodes
- Ep. 4 · Kaito Sinbad appears as Jeanne's rival while Maron hunts a demon
- Ep. 5 · Miyako's father protects a pearl while Maron faces a moral dilemma
- Ep. 6 · Maron Encounters a Mysterious Old Woman Who Is Faking a Mugging
- Ep. 7 · Father and Daughter Detectives Face a Critical Final Gamble
- Ep. 8 · Fin pursues a pianist possessed by a demon within an ancient piano's melody.
- Ep. 9 · A possessed photographer seeks reunion with his dead daughter despite Jeanne's pleas.
- Ep. 10 · The Masked Man's True Identity Revealed in Yamato's Demon Possession Crisis
- Ep. 11 · Police investigate simultaneous robberies and potential demon involvement in town
- Ep. 12 · Maron confronts a demon-possessed actor during a Romeo and Juliet performance.