This series, produced to commemorate the 65th anniversary of TV Asahi, tells the story of Riku Kariyama, an architectural designer passionate about bridge construction. He faces an unexpected difficulty of being imprisoned, but he never gives up, continuously searching for a path of hope and rebirth. The intricate suspense and heart-pounding, stirring human stories intertwine, weaving a grand drama.

When the tallest engineering marvels need to be maintained, only a handful of people have the courage and skills to do the job. Follow Trask Bradbury and his crew as they risk their lives to repair America's tallest and most inaccessible structures.