One trail. One season. Two lives.
Trail runner Taishi Kimura sets out to run the 86-kilometer Amatomi Trail through the mountains of northern Shinshu — alongside the teacher who shaped his student years, Masaaki Hattori.
One trail. One day. Two lives, briefly held in the same season and the same step. Together, in Motion follows the dense hours of their run, watching what passes between athlete and mentor when the talking stops and the moving begins.