Saving the whales has been Coriander Cabot and her best friend Ella's dream since elementary school. But when tragedy strikes, Cor is left to complete the list of things they wanted to accomplish before college alone, including a marine biology internship on Cape Cod.

Owen Pick’s life is falling apart. In his 30s and living in his aunt’s spare bedroom, he has just been suspended from his job as a teacher after accusations of sexual misconduct - accusations he strongly denies. Searching for professional advice online, he is inadvertently sucked into the dark world of incel forums, where he meets a charismatic and mysterious figure. Across the street from Owen lives the Fours family, headed by mom Cate, a physiotherapist, and dad Roan, a child psychologist. But the Fours family have a bad feeling about their neighbor Owen.

Widower Mukesh lives a quiet life in the London Borough of Ealing after losing his beloved wife. He shops every Wednesday, goes to Temple, and worries about his granddaughter, Priya, who hides in her room reading. Aleisha is a bright but anxious teenager working at the local library when she discovers a crumpled-up piece of paper. It's a list of novels that she's never heard of before. When Mukesh arrives at the library, desperate to forge a connection with his bookworm granddaughter, Aleisha passes along the reading list…hoping that it will be a lifeline for him too.

The day after her ninth birthday, Lucie and Blake Sullivan agree, for the very first time, to let their daughter, Grace, make the four-minute walk back home alone from a friend’s house down the street. They joke with friends about hiding behind bushes to ensure she is safe. But the joke turns sour when Grace does not appear. Despite the best efforts of the police and local community, Grace seems to have vanished into thin air. With hope fading fast, Lucie knows she can rely on her husband to support her. That is until the day she makes a shocking discovery....

Gemma Robinson comes into Elliot’s life like a whirlwind, and they marry and settle into his home. When she asks him if her parents can come to stay for a couple of weeks, he is keen to oblige - he just doesn’t quite know what he’s signing up for. The Robinsons arrive with Gemma’s sister, Chloe, a mysterious young woman who refuses to speak or leave her room.

Lonely librarian June Jones has never left the sleepy English village where she grew up. Shy and reclusive, the 30-year-old would rather spend her time buried in books than venture out into the world. But when her library is threatened with closure, June is forced to emerge from behind the shelves to save the heart of her community and the place that holds the dearest memories of her mother.

Aideen has plenty of problems she can’t solve. But when she stumbles upon overachiever Meabh Kowalska having a full-blown meltdown, she sees one that she can actually fix. Meabh is desperate to escape her crushing pile of extracurriculars. Aideen volunteers to help - by pushing her down the stairs. Problem? Solved. Meabh’s sprained ankle is the perfect excuse to ditch her overwhelming schedule. But when one of their classmates learns about their little scheme, more “clients” start asking for Aideen’s “help”.

In 1997 teenager Sophie White and her three girlfriends decide they want to lose their virginity before summer is over. Roping in her childhood buddy Gareth and his mates, Sophie holds a party to get the deed over and done with, but the night doesn’t end as planned. Twenty years later, the group are brought back together when Gareth is killed in a car accident and Sophie begins receiving threatening messages. It seems the party wasn’t as innocent as everyone thought, and now someone wants payback.

It’s summer in the city and passions are soaring along with the temperature - for everyone but Mitchell Fisher, who hates all things romance. He relishes his job cutting off the padlocks that couples fasten to the famous “love story” bridge. Only his young daughter, Poppy, knows that behind his prickly veneer, Mitchell still grieves the loss of her mother.

Julia Curtis is a busy mother of three, with a husband often away for work, an ever-present mother-in-law, a career, and a house that needs doing up. Her 14-year-old daughter, Milla, has fallen in love for the first time, and her youngest, Ruby, is a nine-year-old fashionista who can out-negotiate anyone. But Julia’s 11-year-old son, Jackson, is different. Different to his sisters. Different to his classmates. In fact, Jackson is different from everyone. And bringing up a child who is different isn’t always easy.

Tom is a teenager and blends into the background of life. After a row with his dad and facing an unhappy future at the dog food factory, he escapes to the library. Tom unwittingly ends up with a bagful of romance novels and comes under the suspicion of Maggie. Maggie is a pensioner and has been happily alone for 10 years, at least that's what she tells herself. When Tom comes to her rescue, a friendship develops that could change her life.

Charlotte wants to start fresh. She wants to forget her past, forget prison and, most of all, forget Sean. But old habits die hard. Despite the ankle monitor she must wear as part of her parole agreement and frequent visits to her therapist, she soon finds herself sliding back toward the type of behavior that sent her to prison in the first place. The further down that path she goes, however, the closer she gets to the crime that put her in prison all those years ago. And that’s the one memory she can’t face. Until, one day, Sean tracks her down.

English Teacher Izzy Cole wanted a fresh start. A new town, a new home, a new school. But when sixth former Nicky Stevens sets his sights on her, he begins to reel her in at a time when she's most vulnerable. Soon Izzy is risking her family, her career and her life as she finds Nicky wants more than she ever planned to give.

Everyone knows Leona would do anything for her daughter Beth: she moved to Church Langdon to send Beth to the best school, worked hard to build a successful business to support them and found them the perfect little cottage to call home. People say they’re more like best friends than mother and daughter. But their closeness means that Beth struggles to make friends. Her mother has kept her sheltered from the world. When Beth finds an envelope hidden under the floorboards of their home, the contents make her heart stop. Everything she thought she knew about her mother is a lie.

When Josh’s longtime partner, Grace, dies in a tragic accident, he is left with a mess of grief - and full custody of her seven-year-old son, Logan. Wanting to do right by Logan, Josh begins the process of becoming his legal guardian - something that seems suddenly urgent, though Grace always brushed it off as an unnecessary formality. But now, as Josh struggles to find the paperwork associated with Logan’s birth, he begins to wonder whether there were more troubling reasons for Grace’s reluctance to make their family official.

After eight years together, Lil Bailey thought she’d already found ‘the one’ - that is, until he dumped her for a blonde 20-something colleague. So she does what any self-respecting singleton would do: swipes right, puts on her best bra and finds herself on a first date with a handsome mountaineer called Max. What’s the worst that can happen? Well it’s pretty bad actually. First Max ghosts her and then, after weeing on a stick (but mostly her hands), a few weeks later Lil discovers she’s pregnant.

Eighteen-year-old Eliza Mirk is the anonymous creator of the wildly popular webcomic Monstrous Sea, but when a new boy at school tempts her to live a life offline, everything she’s worked for begins to crumble. In the real world, Eliza Mirk is shy, weird, and friendless. Online, Eliza is LadyConstellation, anonymous creator of a popular webcomic called Monstrous Sea. With millions of followers and fans throughout the world, Eliza’s persona is popular. Eliza can’t imagine enjoying the real world as much as she loves her digital community.

Claire Carmichael leads a charmed life. She has two beautiful sons, Jamie and Joshua, and a handsome and successful husband who loves her. Even when she was in school, Claire had it all. She was clever, likeable, and after passing the initiation tests, she was welcomed into the society of popular girls - the Queen Bees. So when a scandal threatened to ruin Claire's reputation, the Queen Bees closed rank to protect her, no matter who else got hurt. Claire may have moved on from her school days, but for one person who she hurt irreparably, those memories are as fresh as blood.

Astrid Bell has known most of her roommates for years, but while they have a history together - romantic pairings, one-night stands, friendships - each of them also has a past. Astrid is on her way home one day when her neighbor knocks her off her bike. Seeing she is bruised but not broken, her roommates help her home. The next day, they learn that same neighbor was beaten to death hours later. Each of them tells the police what they know and are dismissed - until Astrid stumbles over another body.

With a dad who disappeared years ago and a mother who's a bit too busy to parent, Emmy is shipped off to Wellsworth, a prestigious boarding school in England, where she's sure she won't fit in. But then she finds a box of mysterious medallions in the attic of her home - medallions that belonged to her father...who may have gone to Wellsworth.