Since the dark events that scarred her childhood, Kier Templer escaped her hometown and her twin to live her life on the road. The siblings have never lost contact until, on a trip to a Portuguese national park, Kier vanishes without a trace. Detective Elin Warner arrives in the same park ready to immerse herself in its vast wilderness–only to hear about Kier’s disappearance, and discover a disturbing map she left behind. The few strangers at an isolated campsite close ranks against Elin’s questions, and the park’s wild beauty starts to turn sinister.

Rare-book dealer Ashlyn Greer’s affinity for books extends beyond the intoxicating scent of old paper, ink, and leather. She can feel the echoes of the books’ previous owners—an emotional fingerprint only she can read. When Ashlyn discovers a pair of beautifully bound volumes that appear to have never been published, her gift quickly becomes an obsession. Not only is each inscribed with a startling incrimination, but the authors, Hemi and Belle, tell conflicting sides of a tragic romance.

Twenty years after a baby is stolen from a stroller, a woman is murdered in a care home. The two crimes are somehow linked, and a good bad girl may be the key to discovering the truth. Edith may have been tricked into a nursing home, but at eighty-years-young, she’s planning her escape. Patience works there, cleaning messes and bonding with Edith, a kindred spirit. But Patience is lying to Edith about almost everything. Edith’s own daughter, Clio, won’t speak to her. And someone new is about to knock on Clio’s door…and their intentions aren’t good.

As a park ranger with the National Park Service's law enforcement team, Andrea Lankford led search and rescue missions in some of the most beautiful (and dangerous) landscapes across America, from Yosemite to the Grand Canyon. But though she had the support of the agency, Andrea grew frustrated with the service's bureaucratic idiosyncrasies, and left the force after twelve years. Two decades later, however, she stumbles across a mystery that pulls her right back where she left off: three young men have vanished from the Pacific Crest Trail.

Iris and Gabriel have just arrived home from a make-or-break holiday. But a shock awaits them. One of their closest friends, Laure, is in their house. The atmosphere quickly becomes tense as she oversteps again and again: sleeping in their bed, wearing Iris' clothes, even rearranging the furniture. Laure has walked out on her husband—and their good friend—Pierre, over his confession of an affair and a secret child. Iris and Gabriel want to be supportive of their friends, but as Laure's mood becomes increasingly unpredictable, her presence takes its toll.