The Dinner Table Detective Episode 1: A Thrilling Introduction
The inaugural episode of The Dinner Table Detective, which premiered on April 4, 2025, in Japan, successfully sets the stage by introducing the primary characters integral to the series. The narrative centers on Reiko Hosho, the main protagonist, as she navigates a complex web of relationships and a murder mystery that unfolds during a seemingly ordinary family gathering.
Episode Overview
A Look Back at the Key Events
The episode kicks off with Reiko attending her uncle Goro’s 60th birthday celebration. The initial interactions provide viewers with insight into Reiko’s family background, including her estranged relationship with the Hosho Group business. As she mingles with cousins Ayaka, Kaori, and Hinako, comedic moments abound, including a slip that reveals the tension underlying their relationships.
During a slideshow celebrating Goro’s life, a photo of Mai—a figure shrouded in mystery—elicits mixed reactions from the family, hinting at unresolved issues within the family dynamic. Kazuya Teshirogi’s admission of abandoning his relationship with Mai for an arranged marriage adds to the episode’s intrigue, while another cousin, Hinako, reveals her hidden feelings for Kazuya.

The Catalyst for Mystery
The episode takes a darker turn when Mizuho, who is later revealed to be Kazuya’s new girlfriend, is found injured after an apparent attack, adding an urgent sense of danger. As tensions rise, Inspector Kazamatsuri arrives, providing a refreshing blend of humor and seriousness. He introduces himself and kicks off the investigation, increasing the stakes with his suspicion of various family members while trying to solve the case within a tight timeframe.
Reiko’s duality—as both a family member and a detective—becomes more evident as she dons her detective uniform and takes charge of the situation. The dynamic between her and Kazamatsuri begins to form, setting the foundation for a compelling partnership. Their interplay lightens the mood even as they confront serious allegations against various characters.
Reiko’s inquiry leads her to gather the women present in red dresses, prompting tense revelations about their relationships and potential motives. The introduction of Chiaki Nagise as a primary suspect complicates matters further, particularly as her connection to Kazuya becomes apparent amidst the family turmoil.
Character Development and Plot Progression
The narrative crescendos when the hotel manager imposes a strict 30-minute deadline for the investigation’s conclusion. As the clock ticks, both Reiko and Inspector Kazamatsuri solidify their roles as detectives, highlighting their quick thinking and adaptability in crisis scenarios. Just when it seems that they may be running out of leads, Kageyama, Reiko’s enigmatic new butler, claims he has solved the case, leaving the audience intrigued about his findings.

Concluding Thoughts on Episode 1
The first episode of The Dinner Table Detective sets an exhilarating tone for the series, balancing suspense with character development seamlessly. Viewers are left eager for the next installment, especially with Kageyama poised to play an integral role in Reiko’s journey as a detective. This refreshing take on the murder mystery genre promises to keep audiences engaged as the plot thickens in the coming weeks.