Hidden away in rural Devonshire, Phyllida Satterthwaite has always been considered more odd than beautiful. But in London, her oddity has made her a sensation. Far worse, it’s caught the eye of the sinister Duke of Moreland - a notorious art collector obsessed with acquiring one-of-a-kind treasures. To escape the duke’s clutches, she’s going to need a little help. Captain Arthur Heywood’s days of heroism are long past. Grievously injured in the Peninsular War, he can no longer walk unaided, let alone shoot a pistol. What use can he possibly be to a damsel in distress?

Mount Mellyn stood as proud and magnificent as she had envisioned. But what about its master—Connan TreMellyn? Was Martha Leigh's new employer as romantic as his name sounded? As she approached the mansion towering above the cliffs of Cornwall, an odd chill of apprehension overcame her. TreMellyn's young daugher proved as spoiled and difficult as the three governesses before Martha had discovered. But it was the girl's father whose arrogant demeanor unleashed unfamiliar sensations and turmoil—even as whispers of past tragedy and present danger begin to insinuate themselves into her life.

Lenora expected her unique ability would condemn her to a life of solitude, shunned by society. But when she receives an unexpected marriage proposal hinging on it, Lenora is shocked. All she must do in exchange for the life of a duchess is use her communicative skills to determine the reason for the former Duchess of Blackmoore’s suicide. Beyond the strange blackening on the stones of Blackmoore Castle, Lenora discovers another darkness lurks in her new Scottish Highlands home.

The Earl of Wrexford possesses a brilliant scientific mind, but boredom and pride lead him to reckless behavior. He does not suffer fools gladly. So when pompous, pious Reverend Josiah Holworthy publicly condemns him for debauchery, Wrexford unsheathes his rapier-sharp wit and strikes back. As their war of words escalates, London's most popular satirical cartoonist, A. J. Quill, skewers them both.

1692. On the outskirts of Salem, a bookstore stands covered in overgrown vines. Inside, a young woman hides a linen-wrapped journal under a loose floorboard and runs away, panicked by the sound of hounds barking in the distance. The bookstore vanishes into thin air…

May 20, 2019: Homicide detective Mallory is in Edinburgh to be with her dying grandmother. While out on a jog one evening, Mallory hears a woman in distress. She’s drawn to an alley, where she is attacked and loses consciousness. May 20, 1869: Housemaid Catriona Thomson had been enjoying a half-day off, only to be discovered that night in a lane, where she’d been strangled and left for dead. When Mallory wakes up in Catriona's body in 1869, she must put aside her shock and adjust quickly to the reality.

When their father's death leaves them impoverished, Sarah Summers and her genteel sisters fear they will be forced to sell the house and separate to earn livelihoods as governesses or companions. Determined to stay together, Sarah convinces them to open their seaside home to guests to make ends meet and provide for their ailing mother. Instead of the elderly invalids they expect to receive, however, they find themselves hosting eligible gentlemen. Sarah is soon torn between a growing attraction to a mysterious Scottish widower and duty to her family.

It is 1901 when clockmaker and brilliant tinker Sydney Forrester inherits Blakely House, the eclectic estate of an estranged uncle she's never met. The well-known but mysterious industrialist has left behind a stunning array of peculiar inventions—and a couple of nephews intent on removing this interloper from the estate. Convinced that Sydney has something to do with their uncle's death, the late master's nephews contest the will and work against their cousin at every turn.

Andalin is accustomed to her father’s frequent travels - and to being left behind. So when he returns home and instructs her to pack her belongings, she is bewildered - but there is no time for questions as she is whisked away on a mysterious journey under the cover of night. When their tense flight leads them into the forbidding Black Forest, the pair quickly finds themselves in great peril. With little hope of escape, father and daughter are spared when rescue appears in the form of the mysterious Dark Rider, a notorious deadly highwayman feared by all he meets.

Cornwall, England, 1811 - Blamed for her husband’s death, Cordelia Greythorne fled Cornwall and accepted a governess position to begin a new life. Years later, her employer’s unexpected death and his last request for her to watch over his five children force her to reevaluate. She can’t abandon the children now that they’ve lost both parents, but their new guardian lives at the timeworn Penwythe Hall...back on the Cornish coast she’s tried desperately to forget.