An earnest Colin O'Brien sets out to make his mark in 19th century New York by joining the construction crew of the Brooklyn Bridge. Swept into a kaleidoscope of spirited friendships, unsavory characters, and soulful love with the beautiful and independent Kate Stewart, Colin is forced to confront difficult truths and accept heart-breaking decisions. While he dreams of building a great bridge, Kate prepares to return to school to pursue the practice of medicine. As Colin and Kate follow their shared and individual dreams, daunting challenges confront them. Personal danger, ethnic prejudice, and an extended separation are tempered by new companions who envelop them with support and loyalty. But is it enough? Can Colin and Kate secure the lasting happiness they so hope to share?