Shelby Tebow is the first to go missing. Not long after, Meredith Dickey and her six-year-old daughter, Delilah, vanish just blocks away from where Shelby was last seen, striking fear into their once-peaceful community. Are these incidents connected? After an elusive search that yields more questions than answers, the case eventually goes cold. Now, 11 years later, Delilah shockingly returns. Everyone wants to know what happened to her, but no one is prepared for what they'll find.

Bella was once a lost dog, but now she lives happily with her people, Lucas and Olivia, only occasionally recalling the hardships in her past. Then a weekend camping trip turns into a harrowing struggle for survival when the Rocky Mountains are engulfed by the biggest wildfire in American history. The raging inferno separates Bella from her people, and she is lost once more. Alone in the wilderness, Bella unexpectedly finds herself responsible for the safety of two defenseless mountain lion cubs. Now she’s torn between two equally urgent goals. More than anything, she wants to find her way home to Lucas and Olivia, but not if it means abandoning her new family to danger. Can Bella ever get back to where she truly belongs?

Elle Castillo hosts a popular true crime podcast that focuses on cold cases of missing and abducted children. After four seasons of successfully solving these cases in Minnesota’s Twin Cities, Elle decides to tackle her white whale: The Countdown Killer. Twenty years ago, TCK was terrorizing the community, kidnapping and ritualistically murdering three girls over seven days, each a year younger than the last. Then, after he took his 11-year-old victim, the pattern --- and the murders --- abruptly stopped. When Elle follows up on a listener tip only to discover the man’s dead body, she feels at fault. Then, within days, a child is abducted --- a young girl who seems to fit suspiciously into the TCK sequence halted decades before.

Cat lives in Los Angeles, far away from 36 Westeryk Road, the imposing gothic house in Edinburgh where she and her estranged twin sister, El, grew up. As girls, they invented Mirrorland, a dark, imaginary place under the pantry stairs full of pirates, witches and clowns. These days Cat rarely thinks about their childhood home, or the fact that El now lives there with her husband, Ross. But when El mysteriously disappears after going out on her sailboat, Cat is forced to return to 36 Westeryk Road, which has scarcely changed in 20 years. The grand old house is still full of shadowy corners, and at every turn Cat finds herself stumbling on long-held secrets and terrifying ghosts from the past.

In 1913, 15-year-old Martha is sent from an orphanage in Dublin to relatives she has never met in Canada --- her cousin, Anna, a kindred spirit, and her aunt, who loathes her. Here Martha uncovers a tragic family history. When World War I occurs, Anna voyages to France to care for the wounded soldiers and loses herself in shell shock. Martha leaves the emptiness of her adopted family and becomes a wartime farmerette. Her life is as a farmer, mother and wife to Charlie coming home from war, broken. In 1938, Simon Lansky, a German Jewish professor, asks for help to save his daughters from a dreadful fate. Martha and Anna, hardened to war and its torments, travel to Europe to rescue the girls.

Joe Lattimore, homeless and trying desperately to provide for his young family, agrees to fight in a no-holds-barred illegal bout, only to have his opponent die. Lattimore now finds himself at the mercy of the fight's organizers, who blackmail him into burglarizing a house. However, when he breaks in, he finds a murdered woman on the floor, and the police have received an anonymous tip naming him the murderer. Robin Lockwood, an increasingly prominent young attorney and former MMA fighter, agrees to take on his defense. The murdered woman's husband, Judge Anthony Carasco, has an alibi, and Lattimore's fingerprints are discovered at the scene. But Lockwood is convinced that her client has been framed.

Isaiah Quintabe is no longer IQ, the genius of East Long Beach. Instead, he’s a man on the road and on the run, hiding in a small Northern California town when his room is broken into by a desperate young man on the trail of the state’s most prolific serial killer. His old partner, Juanell Dodson, must go straight or lose his wife and child. His devil’s bargain? An internship at an LA advertising agency, where it turns out the rules of the street have simply been dressed in business casual, but where the aging company’s fortunes may well rest on their ability to attract a younger demographic. Dodson --- ”the hustler’s hustler” --- just may be the right man for the job.

There’s a special camaraderie among early-morning dog walkers. Gathering at dog runs in the park, or strolling through the farmer's market at Union Square before the bustling crowd appears, fellow pet owners become familiar --- as do the personalities of their beloved animals. In this special space and time, a chance encounter with an old acquaintance changed Martha Teichner’s world. As fate would have it, her friend knew someone who was dying of cancer, from exposure to toxins after 9/11, and desperate to find a home for her dog, Harry. He was a Bull Terrier --- the same breed as Martha’s dear Minnie. What begins as a transaction involving a dog becomes a deep and meaningful friendship between two women with complicated lives and a love of Bull Terriers in common.

Half-hidden by forest and overshadowed by threatening peaks, Le Sommet has always been a sinister place. Long plagued by troubling rumors, the former abandoned sanatorium has since been renovated into a five-star minimalist hotel. Elin Warner has taken time off from her job as a detective, so when her estranged brother, Isaac, and his fiancée, Laure, invite her to celebrate their engagement at the hotel, Elin really has no reason not to accept. Arriving in the midst of a threatening storm, Elin immediately feels on edge --- there's something about the hotel that makes her nervous. And when they wake the following morning to discover Laure is missing, Elin must trust her instincts if they hope to find her.

Sera loves true crime podcasts. They give her a sense of control in a world where women just like her disappear daily. She’s sure they’re preparing her for something. So when Rachel, her favorite podcast host, goes missing, Sera knows it's time to act. Rachel has always taught her to trust her instincts. Sera follows the clues hidden in the episodes to an isolated ranch outside Rachel's small hometown to begin her search. She's convinced her investigation will make Rachel so proud. But the more Sera digs into this unfamiliar world, the more off things start to feel. Because Rachel is not the first woman to vanish from the ranch, and she won't be the last. Rachel did try to warn her.