Following the adventures of Hajime Kindaichi, the grandson of renowned detective Kosuke Kindaichi, 'The Files of Kindaichi Returns' showcases Hajime's dual life as a seemingly ordinary high school student and a brilliant detective. Teaming up with his childhood friend Miyuki Nanase, police inspector Isamu Kenmochi, and rival Kengo Akechi, they tackle challenging cases by applying their keen investigative prowess to unravel each mystery.