Esperanza and Irwin tell the story of East Hampton's grandest estate in the early 20th century. Frank Wiborg was a self made millionaire by age 40, establishing offices worldwide for the distribution of ink and lithograph products. Originally summer renters in Amagansett and East Hampton, Wiborg ultimately became a land baron, with holdings encompassing and astonishing 600 acres. In 1909, Wiborg hired the renowned architect Grosvernor Atterbury to design The Dunes, a 30 room stucco mansion that became the largest house in East Hampton. On the ocean, with stables, a dairy barn, sunken Italian gardens and servants quarters. But the grandeur of The Dunes was befallen by personal tragedy and illness, and didn't survive to see its 30th birthday.