Beth Hollis never imagined a future without her twin sister, Andy. But after a tragic accident takes Andy from her, Beth is left shattered, struggling to figure out how to live with a grief that feels impossible to survive. Then Fia--the woman who was first at the scene of the accident--steps back into Beth's life. Steady, compassionate, and undemanding, Fia becomes a lifeline just when Beth needs one most. But as their connection deepens, Beth can't ignore the painful truth that Fia is tied to the worst moment of her life. How can Beth open herself up to the woman who makes her feel whole again, when that means facing the loss that broke her apart?