Jiro Horikoshi, a young Japanese boy with dreams of becoming a pilot, is nearsighted and cannot fulfill his ambition to fly. Despite this, he becomes inspired by the Italian aeronautical designer, Giovanni Battista Caproni, and decides to pursue a career in aircraft engineering. As he grows up, Jiro’s talent and passion for aviation earn him a position at a prestigious engineering company. His work is defined by dedication and innovation, striving to design beautiful airplanes. During a train ride, Jiro meets and saves a young woman named Naoko during an earthquake, leaving a lasting impression on both their lives.

Years later, Jiro's career advances, and he encounters Naoko again, reigniting their connection. However, their relationship faces numerous challenges due to Naoko's frail health. Despite personal and professional obstacles, including the looming atmosphere of war and the ethical implications of his creations, Jiro remains committed to his craft and his love. His journey is marked by a pursuit of beauty and excellence in a world overshadowed by the harsh realities of the time. Through his trials, he continually reflects on the impact and purpose of his work.