Molly has always lived in her sister's shadow and her feelings for her sister have run the gamut. But when her sister, a world-class runner, suffers a heart attack and does not regain consciousness, Molly must make the tough decisions in a role that will destroy some of her most cherished beliefs about the sister she thought she knew.

Natalie Seebring, aging and recently widowed, forms a bond with Olivia Jones, a writer and single mother who has been invited to spend the summer at Seebring's vineyard to help her write her memoirs.