"The File of Young Kindaichi Returns" is a revival of the classic mystery anime series centered around Hajime Kindaichi, a high school student and grandson of the famous detective Kosuke Kindaichi. Known for his unkempt appearance and laid-back demeanor, Hajime possesses exceptional deductive skills and a knack for solving intricate murder cases. The series follows Hajime as he becomes entangled in a series of complex mysteries, often involving locked-room scenarios, elaborate alibis, and seemingly impossible crimes.

Each case in the series is self-contained, typically spanning multiple episodes, and features a diverse cast of characters, including suspects, victims, and accomplices. Hajime is frequently accompanied by his childhood friend and love interest, Miyuki Nanase, who provides emotional support and occasionally assists in investigations. The duo is also joined by Inspector Isamu Kenmochi, a seasoned police officer who often collaborates with Hajime to solve cases. Together, they navigate through red herrings, hidden clues, and psychological manipulation to uncover the truth behind each crime.

The narrative structure of the series emphasizes the process of deduction, with Hajime piecing together evidence and confronting the culprits in dramatic confrontations. The cases often delve into themes of revenge, betrayal, and the darker aspects of human nature, with the perpetrators frequently driven by personal grievances or tragic pasts. The series maintains a balance between suspenseful storytelling and character development, with Hajime's growth as a detective and his relationships with Miyuki and Kenmochi serving as recurring elements.

"The File of Young Kindaichi Returns" retains the core elements of the original series while introducing new cases and modernizing the presentation. The revival appeals to both longtime fans and newcomers, offering a mix of classic mystery tropes and contemporary storytelling techniques. The series continues to uphold its reputation for intricate plots, engaging characters, and a focus on the intellectual challenge of solving crimes.