Cassie Hanwell was born for emergencies. As one of the only female firefighters in her Texas firehouse, she's seen her fair share of them, and she's excellent at dealing with other people's tragedies. But when her estranged and ailing mother asks her to uproot her life and move to Boston, it's an emergency of a kind Cassie never anticipated. The tough, old-school Boston firehouse is as different from Cassie's old job as it could possibly be. Hazing, a lack of funding, and poor facilities mean that the firemen aren't exactly thrilled to have a "lady" on the crew.

Samantha Casey is a school librarian who loves her job, the kids, and her school family with passion and joy for living. But she wasn’t always that way. Duncan Carpenter is the new school principal who lives by rules and regulations, guided by the knowledge that bad things can happen. But he wasn’t always that way. And Sam knows it. Because she knew him before—at another school, in a different life. Back then, she loved him—but she was invisible. To him. To everyone. Even to herself.

Helen Carpenter can’t quite seem to bounce back. Newly divorced at thirty-two, her life has fallen apart beyond her ability to put it together again. So when her annoying younger brother, Duncan, convinces her to sign up for a hardcore wilderness survival course in the backwoods of Wyoming—she hopes it’ll be exactly what she needs.

Sadie Montgomery never saw what was coming . . . Literally! One minute she’s celebrating the biggest achievement of her life—placing as a finalist in the North American Portrait Society competition—the next she’s lying in a hospital bed diagnosed with a “probably temporary” condition known as face blindness. She can see, but every face she looks at is now a jumbled puzzle of disconnected features. Imagine trying to read a book upside down and in another language. This is Sadie’s new reality.

Hannah Brooks looks more like a kindergarten teacher than somebody who could kill you with a wine bottle opener. Or a ballpoint pen. Or a dinner napkin. But the truth is, she’s an Executive Protection Agent (aka "bodyguard"), and she just got hired to protect superstar actor Jack Stapleton from his middle-aged, corgi-breeding stalker.

Very pregnant and not quite married, Jenny Harris doesn’t mind that she and her live-in fiancé, Dean, accidentally started their family a little earlier than planned. But Dean is acting distant, and the night he runs out for cigarettes and doesn’t come back, he demotes himself from future husband to sperm donor. And the very next day, Jenny goes into labor.

Emma Wheeler desperately longs to be a screenwriter. She’s spent her life studying, obsessing over, and writing romantic comedies—good ones! That win contests! But she’s also been the sole caretaker for her kind-hearted dad, who needs full-time care. Now, when she gets a chance to re-write a script for famous screenwriter Charlie Yates—The Charlie Yates! Her personal writing god!—it’s a break too big to pass up.

Columnist Anna Appleby has left her love life behind after a painful divorce. Who needs a man when she has two kids, a cat, and uncontested control of the TV remote? Besides, she’d rather be single than subject herself to the hell of online dating. But her office rival is vying for her column, and no column means no stable source of income. In a desperate attempt to keep her job, Anna finds herself pitching a unique angle: seven dates, all found offline, chosen by her children.

Helen Zhang hasn’t seen Grant Shepard once in the thirteen years since the tragic accident that bound their lives together forever. Now a bestselling author, Helen pours everything into her career. She’s even scored a coveted spot in the writers’ room of the TV adaptation of her popular young adult novels, and if she can hide her imposter syndrome and overcome her writer’s block, surely the rest of her life will fall into place too. LA is the fresh start she needs. After all, no one knows her there. Except…

Eileen Merriweather loves to get lost in a good happily-ever-after. The fictional kind, anyway. Because at least imaginary men don’t leave you at the altar. She feels safe in a book. At home. Which might be why she’s so set on going her annual book club retreat this year—she needs good friends, cheap wine, and grand romantic gestures—no matter what.

If Darcy Barrett hadn’t met her dream man when she was eight years old, the rest of the male population wouldn’t be such a let-down. No one measures up to Tom Valeska, aka the best man on Earth, not in looks, brain, or heart. Even worse is the knowledge that her twin brother Jamie saw him first, and claimed him forever as his best friend. Tom’s off limits and loyal to her brother, 99 percent. One percent of Tom has had to be enough for Darcy, and her adoration has been sustained by his shy kindness. And if she’s honest, his tight t-shirts.

Florence Day is the ghostwriter for one of the most prolific romance authors in the industry, and she has a problem—after a terrible breakup, she no longer believes in love. It’s as good as dead. When her new editor, a too-handsome mountain of a man, won't give her an extension on her book deadline, Florence prepares to kiss her career goodbye. But then she gets a phone call she never wanted to receive, and she must return home for the first time in a decade to help her family bury her beloved father.

On a perfect June day, Vivian Howe, author of 13 beach novels and mother of three nearly grown children, is killed in a hit-and-run car accident while jogging near her home on Nantucket. She ascends to the Beyond where she's assigned to a Person named Martha, who allows Vivi to watch what happens below for one last summer. Vivi also is granted three “nudges” to change the outcome of events on earth.

A wedding planner left at the altar? Yeah, the irony isn't lost on Carolina Santos, either. But despite that embarrassing blip from her past, Lina's offered an opportunity that could change her life. There's just one hitch...she has to collaborate with the best (make that worst) man from her own failed nuptials. Marketing expert Max Hartley is determined to make his mark with a coveted hotel client looking to expand its brand. Then he learns he'll be working with his brother's whip-smart, stunning - absolutely off-limits - ex-fiancée.

Single mom Jess Davis is a data and statistics wizard, but no amount of number crunching can convince her to step back into the dating world. After all, her father was never around, her hard-partying mother disappeared when she was six, and her ex decided he wasn’t “father material” before her daughter was even born. Jess holds her loved ones close but working constantly to stay afloat is hard...and lonely. But then Jess hears about GeneticAlly, a buzzy new DNA-based matchmaking company that’s predicted to change dating forever.