A kid rejected by baseball gets handed a speedboat and figures out he's been training for the wrong dream the whole time. The racing sequences actually move, they feel like speed instead of looking like speed. By the time he's chasing his ex-girlfriend's promise across Japan's water, you've stopped thinking about boats and started thinking about second chances that only make sense if you're desperate enough to take them.
Tadano Kenji's dream of becoming a professional baseball player ends the moment he realizes his height will always work against him. When his coach sees potential in the lanky underdog, he points Kenji toward an unexpected path: competitive speedboat racing. The transition seems absurd until Kenji reconnects with his childhood girlfriend and they strike a deal. She'll wait for him faithfully if he can become Japan's fastest racer within three years. What starts as an impossible bargain becomes Kenji's singular obsession. Training on the water, he develops an unconventional racing technique called the Monkey Turn, a daring maneuver that catches his competitors off guard. But raw innovation only carries you so far in professional racing. Kenji must master the psychological demands of competition, overcome rivals with years of experience, and push past his own limitations to prove that an outsider can dominate a sport he never planned to enter. The clock is ticking, and Kenji's determination is all that stands between redemption and failure.