The correspondence between Carrie Allsop and David Mayer reveals, piece by piece, the painful details of a devastating affair between their spouses. With each commiserating scratch of the pen, they confess their fears and bare their souls. They share the bewilderment over how things went so wrong and come to wonder where to go from here. Told entirely through the letters of two comforting strangers and those of two illicit lovers, Evidence of the Affair explores the complex nature of the heart. And ultimately, for one woman, how liberating it can be when it’s broken.

Overworked and underappreciated, single mom Amy Byler needs a break. So when the guilt-ridden husband who abandoned her shows up and offers to take care of their kids for the summer, she accepts his offer and escapes rural Pennsylvania for New York City. Usually grounded and mild mannered, Amy finally lets her hair down in the city that never sleeps. She discovers a life filled with culture, sophistication, and - with a little encouragement from her friends - a few blind dates.

As one of the most popular influencers on social media, Mia Bell has lived her life online for years. With her celebrity dog and gorgeous fiancé, she is planning the ultimate virtual wedding - expensive, elaborate, and entirely paid for by sponsors. But off-camera, her world is far from picture perfect. After being jilted by her fiancé and faking her nuptials to please her sponsors, Mia finally has had enough. She heaves her phone off a cliff, ready to live - and maybe find love - offline for a change.

Fifty-two-year-old Michelle Banks is struggling to keep all the plates spinning. She’s a perimenopausal district nurse, caring for elderly parents. Her husband is wasting their money on children’s TV memorabilia, her teenage daughter is riddled with anxiety and her 16-year-old son is behaving secretively. Alexa is the only one who knows how much Michelle is juggling. Listening in via four smart speakers, she also knows that it’s about to get even worse. So, when Michelle pleads for help, Alexa decides to go rogue.

Sydney Shaw, like every single woman in New York, has terrible luck with dating. She's seen it all: men who lie in their dating profile, men who stick her with the dinner bill, and worst of all, men who can't shut up about their mothers. But finally, she hits the jackpot. Her new boyfriend is utterly perfect. He's charming, handsome, and works as a doctor at a local hospital. Sydney is swept off her feet.