Case Closed Episode 340

No Scout Verdict Yet

Be the first Scout to rate this episode and share your thoughts.

Animation & Style

Character Writing & Lore

Pacing

World Building & Setting

👀 SPOILER-FREE SUMMARY

A rare character-driven episode that pulls back from standalone casework to dig into one of the series' most guarded backstories. The spotlight falls squarely on Ai Haibara as she, Conan, and Professor Agasa visit a location directly tied to her family's shadowy past. Expect a deliberate, slower pace here — this is a setup episode that prioritizes atmosphere and emotional weight over rapid deduction sequences. The tone is introspective and quietly tense, with Haibara confronting how little she actually knows about her own mother, a figure ominously nicknamed 'Hell Angel' within the Black Organization. For fans invested in the overarching Black Organization mythology, this is essential viewing. The mystery unfolds through personal revelation rather than crime scene analysis, making it a compelling change of pace.

🔥 KEY MOMENTS

⚠️ Spoiler Alert!

Haibara's Pilgrimage Begins

Haibara, Conan, and Professor Agasa arrive at Atsushi Miyano's childhood home in Kōenji. For Haibara, this is a rare and emotionally charged chance to connect with the father she barely knew.

Dejima's Memories Surface

Sohei Dejima, Atsushi's old childhood friend and current occupant of the house, recounts a past visit from Atsushi, Elena, and Akemi. He reveals that Atsushi came seeking to discuss something important, but Dejima wasn't home, and the family left after waiting.

A Conversation Cut Short

Whatever Atsushi wanted to tell Dejima remains a mystery — the visit ended without the two ever speaking. The weight of that missed connection lingers, especially for Haibara, who senses her father's urgency may have been tied to something dangerous.

Dejima Found Dead

Shortly after sharing his recollections with the group, Dejima is discovered dead. The timing is devastating — the one person who could shed light on Atsushi's secrets is silenced before the full picture emerges.

The Black Organization's Shadow

Haibara immediately suspects the Black Organization is behind Dejima's death, raising the stakes from a personal visit into a life-threatening investigation. Her instinctive fear signals that the Organization may still be actively suppressing anything connected to her father's work.

📍 ARC CONTEXT

Arriving after the conclusion of 'The Four Porsches' two-parter, this episode pivots sharply from a standard case format into Haibara-focused lore, marking a significant character development beat. As Part 1 of a two-part story, it establishes the emotional and narrative groundwork that will pay off in Episode 341, 'The Secret Hidden in the Bathroom (Part 2).' This is canon material directly tied to the Black Organization thread, making it a key entry point for the series' larger mythology.

⚡ ALL REVIEWS

AnimeOshi.com refers to anime titles, character names, logos, and other trademarked or copyrighted materials to identify and describe the works being reviewed, discussed, ranked or otherwise referenced on this site. This usage is believed to be nominative fair use or non-infringing and is not intended to imply any affiliation with the respective rights holders.

All trademarks and copyrights remain the property of their owners. If you are a rights holder and have concerns about any content on this site, please contact us at legal@animeoshi.com