At thirty-six, Gwen Porter has always done the right thing. A selfless pillar of strength, devoted wife and mother of two, she thrives on caring for those she loves. When Gwen learns a shattering, life-changing truth, her deepest concern is telling her husband, John. She finds herself on a destructive path of deceit and when her strength is tested, she turns to the most unlikely person. For Charley Brant, Gwen's carefree, younger sister, life is about surviving another dead-end job or her next train-wreck relationship. She lives in the moment, denying herself any hope for a future. After years of relying on her sister's handouts and support, Charley finds herself in unfamiliar territory as she struggles to be the vessel of strength that Gwen needs to navigate through the storm. As Gwen faces her darkest fear and an uncertain future, Charley turns to the past, unraveling secrets that will change everything that has come to define her. And in the wake of a tragedy, each will come to recognize that sometimes the most important words are the hardest ones to say.