Tantei wa, konya mo yūutsu na yume o miru.

The film follows Reiki Beni, the second head of the Beni Detective Agency, as he navigates a range of investigations alongside his partner, Shoji Ai. They are joined by underground idol Saori and Yayoi, Reiki's grandmother, who owns the agency. Together, they tackle cases involving lost pets and infidelity, all while managing the legacy of their grandfather's detective work.

The narrative offers a glimpse into the daily operations of a detective agency, highlighting both the challenges and quirks of their cases. With a mix of crime-solving and personal dynamics, the film provides engaging character interactions and a fresh take on detective stories. The presence of a strong cast, including Tomoki Hirose and Tsunenori Aoki, further enhances the film's appeal, making it a noteworthy addition to the collection.