Soar alongside the visionaries who dared to circle the globe without a single drop of fuel. This gripping account traces the decades-long journey of Bertrand Piccard and André Borschberg as they conceived, engineered, and piloted Solar Impulse — the fragile, wide-winged aircraft powered entirely by the sun. From the breakthroughs of the prototype to the record-shattering five-day solo crossing of the Pacific, the story captures the ingenuity, endurance, and bold ambition behind one of aviation's most improbable triumphs. A stirring tribute to clean energy, human grit, and the enduring power of a seemingly impossible idea.