The story behind the construction of the Oregon scenic highway and the men who made it happen.
When nine-hundred-foot ice age floods carved the Columbia River Gorge through the Cascade Mountains to the sea, little space was left for man to form a highway of his own. It took an artist-poet-engineer extraordinaire to conquer this reluctant piece of real estate and produce the nation's first scenic highway. Meet Sam Hill, the mover and shaker,...

Upon their father's return, the five Dunbar boys, who have raised themselves since their mother's death, begin to learn family secrets, including that of fourth brother Clay, who will build a bridge for complex reasons, including his own redemption.