A writer, Ned Kendall, is asked to return to the family home by his sister Sally, to say goodbye to his father who is dying. The family home is in a very remote and isolated area. While back home, Ned starts having memories of his beautiful twin sister and himself when they were children. These memories awaken long-buried secrets from the family's past.

The story is about Iris' rise to the apex of a love/power triangle that includes her roguish English lover, McHeath and Art, an earnest young boxer. Within the flawed moral landscape, each character struggles to establish their sovereignty.