Henri Labordie's wife dies after giving birth to twin children, Jacques and Jeanne. Before he takes the children to the Canadian woods to live he makes an agreement with his friend, Duval Hebert, that when Jeanne is old enough she shall marry Hebert's son Louis. In their new home Labordie lavishes all his affection on Jacques, a weak and sickly youth. Francois, a half-breed, worships Jeanne. Jeanne grows up to winsome womanhood. Donald Duncan, a government surveyor, meets Jeanne. He becomes infatuated with her, and she with him. Jacques tells his father, now totally blind, and Labordie forbids Jeanne to see Duncan. Love finds a way, however, and Jeanne promises to wed Duncan when he has completed his work for the government. Jacques, who has injured his hand, persuades Jeanne to take him canoeing in the St. Lawrence. Francois sees the canoe upset. He saves Jeanne, but her brother is drowned.