Mikagura Tanteidan Episode 1 introduces viewers to a Taisho-era detective agency led by Tokito Mikagura. When Tokito mysteriously disappears following an accident, his devoted protégés—Tomoe, Shigeno, and Chizuru—embark on a quest to find him. Their investigation leads them to a foreign church, where they discover the mutilated body of a priest, intensifying the mystery surrounding Tokito's disappearance.
The episode masterfully blends elements of mystery and suspense, immersing viewers in the atmospheric setting of early 20th-century Japan. The animation captures the period's aesthetic, with detailed backgrounds and character designs that reflect the era's fashion and architecture.
As the narrative unfolds, the trio faces various challenges and dangers, highlighting their determination and the strong bond they share with their mentor. The episode sets the stage for a compelling series, filled with intrigue and the pursuit of truth amidst a backdrop of historical richness.