Harper Taylor is used to being alone—after all, she grew up in one foster home after another. Oliver Jackson finally took her under his wing when she was a runaway teenager, and now Harper pours her marine biology knowledge into Oliver’s research as his business partner. But she’s never stopped wishing for a family of her own. When a DNA test reveals a half sister living just two hours away, Harper is shocked. She meets with Annabelle, whose story is strikingly similar to her own. Is it just a coincidence that both of their mothers died tragically, without revealing their father’s name? When Harper’s business partner is attacked, his son Ridge steps in to help. Ridge still sees Harper as a troubled teen even all these years later, but he soon finds himself working with her to uncover dangerous secrets that threaten to destroy them all. Ridge and Harper must unravel her past before they can have any hope for the future. Harper’s childhood is resurfacing—but will the truth save her or pull her under? “Colleen Coble's latest book, , grips you on page one with a heart-pounding opening and doesn't let go until the last satisfying word. I love her skill in pulling the reader in with believable, likable characters, interesting locations, and a mystery just waiting to be untangled. Highly recommended.”— , bestselling author of