Gorou Honda, a young baseball enthusiast, idolizes his father Shigeharu, a player on the Blue Ocean team. Inspired by his son's admiration, Shigeharu perseveres despite personal loss and a disappointing role on the second-string team. A sudden elbow injury shatters his dreams, but a casual remark from his childhood friend reignites his passion. Choosing to switch from pitcher to batter, Shigeharu rediscovers his drive. Meanwhile, Gorou, fueled by his father's determination, strives to make his mark in the Japanese Little League.