When Nancy Hennessy is murdered, she leaves behind two best friends, an adoring husband and daughter, and a secret lover whose identity she took to the grave. Nancy was gorgeous, wealthy, and cherished by those who knew her―from the outside, her life was perfect. But as the investigation into her death flounders and her friends Eleanor and Mary wrestle with their grief, dark details surface that reveal how little they knew their friend, each other, and maybe even themselves.