Musashi, living with his father after his mother's departure three years prior, clings to hope for her return. Relocated from Tokyo to a rural village, he despises the countryside and yearns for the bustling city life. Curious if his absent mother could track him down, Musashi's world changes when he encounters a man employing a decoy fish for bass fishing. Enthralled by lure fishing, he uncovers a family legacy tied to his maternal grandfather, a renowned bass fishing champion. Driven by the belief that fishing might unite him with his mother, Musashi displays extraordinary talent in angling and embarks on global expeditions chasing elusive fish. His journey not only leads him to diverse corners of the world but also instills a newfound appreciation for nature in his heart.