We arrived at a villa on the Amalfi Coast, ready to enjoy a sun-soaked weekend with our oldest friends - and one new face. By the end of the weekend, my husband is found dead. But how can I mourn him, when on the day of his funeral I discover he was having an affair? The only suspects are the women we went on holiday with. My oldest, closest friends. Do I really want to dig into my husband's secret? Do I really want to know who betrayed me?

City coroner Doctor Stacy Lewis just learned that her fiance, Doctor Henry Goldberg, is the prime suspect in a serial murder case. She can’t believe for a moment that the man she loves and trusts more than anything is responsible for killing three women. But one man is convinced. And that’s her ex-boyfriend and the detective on the case, Matt Ensor. Her coworker at the city hospital, the charming ER doctor Henry, swept in quickly to steal her away—something that Matt has never forgiven.

California, 2011: Nicole Forbes lives a quiet life in the small seaside town of Coronado with her husband and daughter. She is not expecting a writer to knock on her door asking for her personal insight into the downfall of the biggest British band of the 1980s—unveiling the threads of a life she left behind years ago. The same day, her daughter goes missing and the school claims her aunt picked her up . . . but she doesn’t have an aunt. Convinced of a link between the two, Nicole is forced to revisit long-abandoned memories from her past to protect everything she now holds dear.

Nya can’t remember the last time she felt safe. The rundown rental house didn’t seem so bad at first. But now, someone is stealing her food. Rattling her bedroom doorknob. Digging through her belongings. Each night brings more disturbing incidents. And each night, Nya is more convinced that it’s not an intruder. She suspects the culprit is hiding in plain sight: her peculiar roommate-of-necessity, Sidney.

Ashton is an electrician. Julie waits tables. Both are broke and trapped in their dead-end jobs, rundown apartment, and bitterly cold hometown of Fridley, Minnesota. There’s nothing they could want more than to escape to someplace warm and sunny. So, when they find an ad in a magazine offering them one thousand dollars each and an all-expenses paid trip to a “tropical destination” for participating in a research study, they both jump at the opportunity.

For her husband’s 40th birthday, Lily Leonard books a table at the exclusive restaurant of Hector Bolson-Woods renowned celebrity chef. It should be the perfect evening for Lily and Stig, but not even a perfect menu can heal the cracks in the marriage. So when Hector invites them to dine with him privately, Lily is thrilled. Surely this will please Stig? Hector is charming and attentive – everything Stig is not – and she finds herself drawn more and more drawn to the enigmatic Hector.

When Emma meets Matthew, a kind, handsome widower, he seems to be just what she needs. Yet as their relationship moves fast, Emma’s friends worry she might be exploited. She’s a rich woman after all. Emma doesn’t care Matthew has no money. But as the memory of his perfect first wife hangs over them, Emma does have one tiny doubt. If Matthew’s wife hadn’t died, he wouldn’t be with her. And Emma wonders if she’s second best. Can she ever fill the dead woman’s shoes?

We had it all—a lake house, two kids, and twenty years of marriage. Except, our marriage was no longer exciting. We scheduled intimacy, ate meals in silence, and became strangers. Our kids went off to college, and we were now empty-nesters, trying to reconnect. But my husband, a psychology professor and thriller novelist, had other plans. Perhaps writing a fictional novel had him living in a false reality? Perhaps he was having a mid-life crisis? He didn't want to reconnect with me; he just wanted to replace me. Worst of all, the girl he was having an affair with was our son's girlfriend.

After six years of a stolen hour here, another there, tonight is going to be different for Nick Holloway and Jenny Parrish. They’ve booked a room in a new luxury hotel in Manhattan, where they’ll spend the entire night together for the first time. Expectations are running high for this brief reprieve from ordinary life: they both need a good bout of ravishing sex and witty conversation. But that’s not what they get. Because they’ve barely gotten started when a smoke alarm goes off.

He seemed perfect, until I uncovered one of his lies. He’s already married. I know I should break it off, but it’s not that simple. He’s been hiding more than just his wife from me. He is not what he seems. When I discover who his wife is, everything takes a darker turn. They are not a normal couple.