Esme has run the guest house for as long as anyone in Ballycove can remember. But in her declining years, her sight is failing, and when she has a fall on the eve of the summer season, she is forced to take a back seat for the first time in her life. From her chair in the entry hall, not much passes Esme by. There's Cora, the wife visiting indefinitely... without her husband; Niamh, the city professional with a life-changing decision to make; and Phyllie, the grandmother whose family is slipping away from her.

The historic houses in the seaside town of Beaufort, North Carolina, have held the secrets of their inhabitants for centuries. One of the most enduring refuses to be washed away by the tide: What happened to Rebecca and Townsend Saint James on that fateful night of their disappearance in 1976? Now, the granddaughter they never knew, Keaton Smith, is desperate for a fresh start. So when her mother needs someone to put her childhood home in Beaufort on the market, she jumps at the chance to head south.

When Elizabeth's husband dies, leaving her with crippling debt, the only person she can turn to is her friend, Jo. Soon Jo has called in her daughter, Lucy, to help save Elizabeth from bankruptcy. Leaving her old life behind, Lucy is determined to make the most of her fresh start. As life slowly begins to return to normal, these three women, thrown together by circumstance, become fast friends. But then Jo's world is turned upside down when she receives some shocking news. In search of solace, Jo and Elizabeth find themselves enjoying midnight dips in the freezing Irish Sea.

Welcome to Ballycove, the home of Corrigan Mills... Set against the backdrop of the beautiful Irish countryside the famed Corrigan Mills are run by the seemingly perfect Corrigan family, but every family has its secrets, and they don't always stay hidden. Ada has forever lived her life in her sister's shadow. Wanting only to please her mother and take over the family business, now Ada has to take a look at what her heart really wants. Callie has a flourishing international career and a man who loves her dearly, she appears to have it all.

With the rest of her family on a cruise, Lindsay Calhoun will be spending her first Christmas alone, so she volunteers to plan an especially festive holiday party for her company. Her coworkers are grateful—except for tall, quiet Jack Taylor. Jack has always been a loner, but something about Christmas puts him in an unusually foul mood.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Five Years Earlier: Henry Dunne knows three things: that agreeing to host this raucous house party was a terrible idea, that he absolutely cannot show up to his nursing shift tomorrow with a hangover, and that the beautiful redhead in the corner will be sleeping in his bed tonight.

Ryder, Garrett, Kenzo, and Diesel - The Vipers. Their deals are as sordid as their business, and their reputation is enough to bring a grown man to his knees, forcing him to beg for mercy. They are not people you mess with, yet my dad did. The old man ran up a debt with them and then sold me to cover his losses. Yes, sold me. They own me now. I’m theirs in every sense of the word. But I’ve never been meek and compliant.

Obituary writer Nadine Barbault doesn’t mind being called “Lady Death”. It suits the ice queen persona she’s cultivated to survive the fast-paced Toronto Herald. So when Nadine learns that famous (and reclusive) author Dot Voline has died, she doesn’t hesitate to run the obituary…only to discover that Dot is very much alive. Nadine’s screw-up has brought Wesley Chen of the rival Spear no end of joy—she’s been a thorn in his extremely ambitious side for years. But the renewed interest in Dot also surfaced chatter about a mysterious past scandal.

Hockey coach Ashley Jaswal doesn't take nonsense from anyone … except her overbearing and superstitious family. They believe she's a good luck charm for her brother Jas, the newest Vancouver Canucks draft pick, forcing Ash to attend all his games as he rises up the NHL ranks, sacrificing her personal life (not that she has one—who decided hockey season needed to be 10 months long anyway?). Ash also clashes with Jas’s teammate, Canucks captain Devin Snyder.

When Elizabeth's husband dies, leaving her with crippling debt, the only person she can turn to is her friend, Jo. Soon Jo has called in her daughter, Lucy, to help save Elizabeth from bankruptcy. Leaving her old life behind, Lucy is determined to make the most of her fresh start. As life slowly begins to return to normal, these three women, thrown together by circumstance, become fast friends. But then Jo's world is turned upside down when she receives some shocking news. In search of solace, Jo and Elizabeth find themselves enjoying midnight dips in the freezing Irish Sea.

Amanda King and Tess Cuffe are strangers who share the same Georgian house, but their lives couldn't be more different. Amanda seems to have it all, absolute perfection. She projects all the accoutrements of a lady who lunches. Sadly, the reality is a soulless home, an unfaithful husband and a very lonely heart. By comparison, in the basement flat, unwanted tenant Tess has spent a lifetime hiding and shutting her heart to love. It takes a bossy doctor, a handsome gardener, a pushy teenager and an abandoned cat to show these two women that sometimes letting go is the first step to moving forward and new friendships can come from the most unlikely situations.

Esme has run the guest house for as long as anyone in Ballycove can remember. But in her declining years, her sight is failing, and when she has a fall on the eve of the summer season, she is forced to take a back seat for the first time in her life. From her chair in the entry hall, not much passes Esme by. There's Cora, the wife visiting indefinitely... without her husband; Niamh, the city professional with a life-changing decision to make; and Phyllie, the grandmother whose family is slipping away from her.

Welcome to Ballycove, the home of Corrigan Mills... Set against the backdrop of the beautiful Irish countryside the famed Corrigan Mills are run by the seemingly perfect Corrigan family, but every family has its secrets, and they don't always stay hidden. Ada has forever lived her life in her sister's shadow. Wanting only to please her mother and take over the family business, now Ada has to take a look at what her heart really wants. Callie has a flourishing international career and a man who loves her dearly, she appears to have it all.

After 10 years together, Carrie Nolan is devastated when she's dumped by Kevin Mulvey without even a backwards glance! But on reflection, she has sacrificed her own long-term happiness by pandering to his excessive ego in their successful Dublin restaurant (and out of it) - but not anymore! While Kevin is 'living the dream' with his beautiful new Brazilian girlfriend, Carrie seeks solace from a circle of mismatched strangers who need her as much as she needs them. Then suddenly a catastrophic sequence of events leads to the unthinkable.