Every family has secrets, and on the hottest day of the year, the truth is about to come out. As a tragedy unfolds behind closed doors, the dawn chorus is split by the wail of sirens. And one by one the families who tried so hard to welcome the Wests begin to realise: Hogarth Street will never be the same again.

Dr. Emory Charbonneau, a pediatrician and marathon runner, disappears on a mountain road in North Carolina. By the time her husband Jeff, miffed over a recent argument, reports her missing, the trail has grown cold. Literally. Fog and ice encapsulate the mountainous wilderness and paralyze the search for her. While police suspect Jeff of "instant divorce," Emory, suffering from an unexplained head injury, regains consciousness and finds herself the captive of a man whose violent past is so dark that he won't even tell her his name.

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....

At a Texas county fair, children’s book author Elle Portman is enjoying a rare night out with her favorite cowboy: her two-year-old son, Charlie. But just as they’re about to head home, the unthinkable happens: a shooter opens fire into the crowd, causing widespread panic to erupt all around them. Also caught in the melee is corporate consultant Calder Hudson. When he wakes up in the hospital, he's told he's lucky. Others didn't fare we well, which instills in Calder a furious determination to get justice.

Psychologist Margot Scott has a picture-perfect life: a nice house in the suburbs, a husband, two children and a successful career. On a warm spring morning Margot approaches one of her clients on a busy train platform. He is looking down at his phone, with his duffel bag in hand as the train approaches. That’s when she slams into his back and he falls in front of the train. Margot’s clients all lie to her, but one lie cost her family and freedom.

Dr. Eric Parrish is the chief of the psychiatric unit at Havemeyer General Hospital outside of Philadelphia. Recently separated from his wife, Alice, he is doing his best as a single dad to his seven-year-old daughter, Hannah. His work seems to be going better than his homelife, however. His unit at the hospital has just been named number two in the country and, Eric has a devoted staff of doctors and nurses who are as caring as he is. But when he takes on a new patient, Eric's entire world begins to crumble.

Avery Keene, a brilliant young law clerk for the legendary Justice Howard Wynn, is doing her best to hold her life together - excelling in an arduous job with the court while also dealing with a troubled family. When the shocking news breaks that Justice Wynn - the cantankerous swing vote on many current high-profile cases - has slipped into a coma, Avery’s life turns upside down. She is immediately notified that Justice Wynn has left instructions for her to serve as his legal guardian and power of attorney.

Former Super Bowl MVP quarterback Zach Bridger hasn’t seen his ex-wife, Rebecca Pratt, for some time—not since their volatile marriage imploded—so he’s shocked to receive a life-altering call about her. Rebecca has been placed on life support after a violent assault, and he—despite their divorce—has medical power-of-attorney. Zach is asked to make an impossible choice: keep her on life support or take her off of it. Buckling under the weight of the responsibility and the glare of public scrutiny, Zach ultimately walks away, letting Rebecca's parents have the final say.

For Frankie Strong, results mean more than sticking to the rules, until she runs heart-first into Evan Spears. US Marshal Evan Spears commands a federal task force of seasoned agents who track and capture dangerous fugitives around the world. When Evan is forced to take on DEA Agent Frankie Strong, a free spirit with unorthodox methods, she sees nothing but trouble for the team, the mission, and her future.

Jesse James is a normal 18-year-old, even if her parents are the best faerie bounty hunters in New York. Jesse’s only concern is how to pay for college, but that changes the night her parents disappear. Equipped with her parents’ weapons and her own smarts, Jesse enters the dangerous world of bounty hunting in search of her mother and father. In her quest, she encounters all manner of Fae, but the scariest is Lukas, the mysterious, imposing faerie who offers to help her find her parents.

When a private plane whisks CDC epidemiologist Madeline Hamilton to Washington, DC, for an urgent medical symposium, she knows something significant is underway - but she doesn’t expect to face the most disturbing medical mystery of her career. A debilitating neurological toxin has stricken the children of several political families, and one of them is the son of US President Anna Moreland.

Shannon Tanner has the perfect life - a great career, a loving family, and a fantastic boyfriend. But when she discovers her boyfriend's horrible secret, everything spirals out of control. Held at gunpoint and taken against her will, she finds a way to escape only to be terrorized for the next several weeks as he tries to get revenge.

Dr. Duncan Lathram is a brilliant plastic surgeon who recently invented a dissolving implant that allows incisions to heal without scarring. His unparalleled artistry in the operating room is the salvation of all the biggest power players in Washington, DC, whenever they need to be TV ready. Lathram appears to have it all, but something isn’t right....

DEA Special Agent Peter Malloy is no stranger to the devastating impact of drugs. So when six bodies turn up with surgical ports implanted in their spines, he's sure a potent new opioid is the culprit. But when lab tests show zero evidence of any known narcotics, he fears something far more sinister. Allison Stevens thought she knew everything about her boss. But after he disappears, she's stunned to discover his secret genetic research in pain tolerance. When she becomes the target of the FBI's investigation, Allison has only one move.

Lucille Teresa Guardino. A woman of many identities. Lucille to her doting mother, Lulu to her devoted husband, Mom to her pre-teen daughter, Lucy to her friends, LT to her co-workers, and Supervisory Special Agent Guardino to the criminals she captures for the FBI's Sexual Assault Felony Enforcement squad. A loving mom and wife, dutiful daughter, consummate professional, and kick-ass federal agent, Lucy is living the perfect life. Until the day she comes up against a predator more vicious than any she's ever tackled....