Twenty-three year old Arnold Gold is a Seattle-based odds-maker and local computer genius. Described as a 'part-time hacker and full-time virgin' by his friends, the awkward young shut-in flies to Vegas to try and get lucky - in more ways than one. But his high stakes activity on the Net inadvertently thrusts him into a vortex of international terrorism. Dark Net Hacking has resulted in murder, and now it will take every last bit of Arnold's genius intellect and legendary hacking skill to stay one step ahead of the murderous terrorists, the FBI, the local cops and his lawyer.

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.

Claire Cook has a perfect life. Married to the scion of a political dynasty, with a Manhattan townhouse and a staff of 10, her surroundings are elegant, her days flawlessly choreographed, and her future auspicious. But behind closed doors, nothing is quite as it seems. That perfect husband has a temper that burns as bright as his promising political career, and he's not above using his staff to track Claire's every move, making sure she's living up to his impossible standards. But what he doesn't know is that Claire has worked for months on a plan to vanish.

Twenty-six-year-old editorial assistant Nella Rogers is tired of being the only Black employee at Wagner Books. Fed up with the isolation and microaggressions, she’s thrilled when Harlem-born and bred Hazel starts working in the cubicle beside hers. They’ve only just started comparing natural hair care regimens, though, when a string of uncomfortable events elevates Hazel to Office Darling, and Nella is left in the dust.

Authors June Hayward and Athena Liu were supposed to be twin rising stars: same year at Yale, same debut year in publishing. But Athena’s a cross-genre literary darling, and June didn’t even get a paperback release. Nobody wants stories about basic white girls, June thinks. So when June witnesses Athena’s death in a freak accident, she acts on impulse: she steals Athena’s just-finished masterpiece, an experimental novel about the unsung contributions of Chinese laborers to the British and French war efforts during World War I.

Florence Darrow has always felt she was destined for greatness, but after a disastrous affair with her married boss, she starts to doubt herself. All that changes when she sets off for Morocco with her new boss, the celebrated but reclusive author Maud Dixon. Amidst the colorful streets of Marrakesh, Florence begins to feel she’s leading the sort of interesting, cosmopolitan life she deserves. But when she wakes up in the hospital after a terrible car accident, with no memory of the previous night - and no sign of Maud - a dangerous idea begins to take form....

After barely surviving a brutal attack, Brienne Dougray rarely leaves her house. Suffering from debilitating headaches and memory loss, she can rely only on her compassionate new tenant, Dr. Niall Emberlin, a welcome distraction from the discomfiting bubble that has become her existence. But Brienne’s growing confidence in her new routine is shaken when she stumbles across unsettling evidence that someone else is living as...her. Same name. Same car. Same hair. Same clothes. She’s even friended her family on social media.

Lark has good things coming: a career as a board-game designer and a whirlwind romance with a handsome investor, who is so compassionate and supportive, he’s almost too good to be true. Jessica has always been cautious, but she can’t resist a brilliant TED-talking visionary. Holly has settled into a comfortable life with Jack, her husband of nearly twenty years. They’ve raised three children, they own a beautiful home, and they’ve founded a worthy charity. Lark, Jessica, and Holly are three strangers with so much in common it hurts. Their one and only is one and the same.

On the day of her mother's funeral, 23-year-old Grace Maxwell discovered the man who raised her was not her biological father. Instead, he was a best-selling self-help author and a world famous "Guru to the Stars." Known as Mr. MAJIC, for the miraculous impact his books and seminars had on millions of people, he had inexplicitly vanished around the time Grace's mother became pregnant with her. For over 20 years, the mystery of Mr. MAJIC’s sudden and unexpected disappearance, and the speculation of what might have become of him, was the stuff of Urban Legend.

Journalist Joan Lurie has written a seething article exposing a notorious newspaper tycoon as a sexual predator. But the night it goes live, she is brutally attacked. Traumatized and suffering the effects of a concussion, she moves into a highly secure apartment in Manhattan called the Refuge, which was at one time a Magdalen Laundry. Joan should be safe here, so how can she explain the cryptic incidents that are happening?

Special Agent Lisa Tanchik is the best at taking down cybercriminals. So when the FBI discovers a multibillion-dollar black market online, she’s tasked with finding the creator and bringing him to justice. Donning one of her many digital disguises, Tanchik goes undercover into the network. Brilliant college student Nate Fallon started his site as an idealistic experiment. But his platform has made illegal trade not only more efficient - but also more dangerous. Now the FBI aren’t the only ones out to get him.

By day, Mel Strickland is an underemployed help-desk tech at a start-up incubator. By night, she goes on bad dates with misbehaving†dudes she's matched with on the ubiquitous dating app Fluttr. But after one dick pic too many, Mel has had it. Using her brilliant coding skills, she designs an app of her own, one that allows users to log harassers and abusers in online dating space. It's called JerkAlert, and it goes viral overnight. Mel is suddenly in way over her head.

Audrey Miller has an enviable new job at the Smithsonian, a body by reformer Pilates, an apartment door with a broken lock, and hundreds of thousands of Instagram followers to bear witness to it all. Having just moved to Washington, DC, Audrey busies herself impressing her new boss, interacting with her online fan base, and staving off a creepy upstairs neighbor with the help of the only two people she knows in town: an ex-boyfriend she can't stay away from and a sorority sister with a high-powered job and a mysterious past.

Things were going a little too well for Dylan Delacroix. After upstaging her boss on a big account, she gets dispatched to the last place she wants to be: her hometown, Seattle. There, she must use her superstar corporate-consulting skills to curb the worst impulses of an impossibly eccentric tech CEO - if she doesn’t, she’s fired. The fun doesn’t stop there: Dylan must also negotiate a ceasefire in the endless war between her bohemian parents and the straitlaced neighbors.

Claudia is used to disregarding her fractious family’s model-minority expectations: she has no interest in finding either a conventional career or a nice Chinese boy. She’s also used to keeping secrets from them, such as that she prefers girls—and that she's just been stealth-recruited by Veracity, a referrals-only online-dating detective agency.