What is the main conflict in Legends of the Fall by Jim Harrison?

Legends of the Fall by Jim Harrison is a collection of three short novels, including Revenge, The Man Who Gave Up His Name, and Legends of the Fall. In Revenge, two lovers face the consequences for their illicit affair. The Man Who Gave Up His Name is a short portrait of a man who grows unsatisfied with his flat life as a rich oil businessman and seeks to redefine himself. Legends of the Fall follows a family's tragedies.