Police chief Cameron McDonald has lived in idyllic Wheelock, Massachusetts for most of his life, as has his beloved wife Allie. Their comfortable lives are thrown into tumult, however, when Cam's distant cousin Jamie arrives in town along with his wife's dead body. Jamie admits to the murder - a mercy killing to end the pain caused by a ravaging cancer. And now Cam is torn by his oath to uphold justice and his family obligations as chief of the Scottish McDonald clan.

Delia Hopkins has led a charmed life. Raised in rural New Hampshire by her widowed father, Andrew, she now has a young daughter, a handsome fiancé, and her own search-and-rescue bloodhound, which she uses to find missing persons. But as Delia plans her wedding, she is plagued by flashbacks of a life she can't recall. And then a policeman knocks on her door, revealing a secret that changes the world as she knows it.

Everything changes in a single moment for Dawn Edelstein. She’s on a plane when the flight attendant makes an announcement: Prepare for a crash landing. She braces herself as thoughts flash through her mind. The shocking thing is, the thoughts are not of her husband but of a man she last saw 15 years ago: Wyatt Armstrong. Dawn, miraculously, survives the crash, but so do all the doubts that have suddenly been raised.

Today is Ruth's first day of third grade at Dalton. The prestigious institution on New York's Upper East Side couldn't be more different from her old school in Harlem. Despite being the smartest girl in her grade, Ruth suspects that her classmates and teachers see only her dark skin. She also notices that Christina, the daughter of her mother's employer, treats Ruth very differently when they're hanging out with the popular girls rather than playing together. Ruth must navigate between two worlds.

Every expectant parent will tell you that they don't want a perfect baby, just a healthy one. Charlotte and Sean O'Keefe would have asked for a healthy baby, too, if they'd been given the choice. Instead their lives are made up of sleepless nights, mounting bills, the pitying stares of "luckier" parents, and, maybe worst of all, the what-ifs.

Refusing to believe that she would be abandoned as a young child, Jenna searches for her mother regularly online and pores over the pages of Alice's old journals. A scientist who studied grief among elephants, Alice wrote mostly of her research among the animals she loved, yet Jenna hopes the entries will provide a clue to her mother’s whereabouts. Desperate to find the truth, Jenna enlists two unlikely allies in her quest.

Diana O’Toole is perfectly on track. She will be married by thirty, done having kids by thirty-five, and move out to the New York City suburbs, all while climbing the professional ladder in the cutthroat art auction world. She’s an associate specialist at Sotheby’s now, but her boss has hinted at a promotion if she can close a deal with a high-profile client. She’s not engaged just yet, but she knows her boyfriend, Finn, a surgical resident, is about to propose on their romantic getaway to the Galápagos - days before her thirtieth birthday. Right on time.

The last thing Lizzie needs right now is a call from an inmate at Rikers asking for help - even if Zach Grayson is an old friend. But Zach is desperate: His wife, Amanda, has been found dead at the bottom of the stairs in their Brooklyn brownstone. And Zach’s the primary suspect. As Lizzie is drawn into the dark heart of idyllic Park Slope, she learns that Zach and Amanda weren’t what they seemed - and that their friends, a close-knit group of fellow parents at the exclusive Brooklyn Country Day school, might be protecting troubling secrets of their own.

When Leeds meets Layla, he’s convinced he’ll spend the rest of his life with her - until an unexpected attack leaves Layla fighting for her life. After weeks in the hospital, Layla recovers physically, but the emotional and mental scarring has altered the woman Leeds fell in love with. In order to put their relationship back on track, Leeds whisks Layla away to the bed-and-breakfast where they first met. Once they arrive, Layla’s behavior takes a bizarre turn. And that’s just one of many inexplicable occurrences.

Shelby Foxworth lost her husband. Then she lost her illusions.... The man who took her from Tennessee to an exclusive Philadelphia suburb left her in crippling debt. He was an adulterer and a liar, and when Shelby tracks down his safe-deposit box, she finds multiple IDs. The man she loved wasn’t just dead. He never really existed. Shelby takes her three-year-old daughter and heads south to seek comfort in her hometown, where she meets someone new: Griff Lott, a successful contractor.

The Hartes and the Golds have been neighbors for 18 years and are very close. So when Chris and Emily's friendship reaches the next level, nobody is surprised. Then one night, the hospital calls. Seventeen-year-old Emily is dead - shot in the head by a gun Chris took from his father's cabinet. One bullet remains in the chamber, and Chris tells of his suicide pact with Emily. But the police have questions, and soon Chris is on trial for murder.

In the course of her everyday work, career-driven assistant district attorney Nina Frost prosecutes child molesters and works determinedly to ensure that a legal system with too many loopholes keeps these criminals behind bars. But when her own five-year-old son, Nathaniel, is traumatized by a sexual assault, Nina and her husband, Caleb, a quiet and methodical stone mason, are shattered, ripped apart by an enraging sense of helplessness in the face of a futile justice system that Nina knows all too well.

In the aftermath of a series of personal tragedies, Zoe throws herself into her career as a music therapist. When an unexpected friendship slowly blossoms into love, she makes plans for a new life, but to her shock and inevitable rage, some people - even those she loves and trusts most - don’t want that to happen.

Olivia McAfee knows what it feels like to start over. Her picture-perfect life—living in Boston, married to a brilliant cardiothoracic surgeon, raising their beautiful son, Asher—was upended when her husband revealed a darker side. She never imagined that she would end up back in her sleepy New Hampshire hometown, living in the house she grew up in and taking over her father’s beekeeping business. Lily Campanello is familiar with do-overs, too. When she and her mom relocate to Adams, New Hampshire, for her final year of high school, they both hope it will be a fresh start.

Laurie is sure love at first sight doesn't exist anywhere but the movies. But then, through a misted-up bus window one snowy December day, she sees a man who she knows instantly is the one. Their eyes meet, there's a moment of pure magic...and then her bus drives away. Certain they're fated to find each other again, Laurie spends a year scanning every bus stop and cafe in London for him. But she doesn't find him, not when it matters anyway. Instead they "reunite" at a Christmas party, when her best friend, Sarah, giddily introduces her new boyfriend: the man from the bus.