On a muggy August day in 2001, Alexandra Lind was unexpectedly thrown backwards in time, landing in the year of Our Lord 1658. Catapulted into an unfamiliar and frightening new existence, Alex could do nothing but adapt. After all, while time-traveling in itself is a most rare occurrence, time-traveling with a return ticket is even rarer. Fortunately for Alex, she lands at the feet of Matthew Graham. No woman could ask for a better guide or protector in this strange new world of hers.

It is 1715 and for Duncan Melville, something fundamental is missing from his life. Despite a flourishing legal practice and several close friends, he is lonely, even more so after the recent death of his father. He needs a wife—a companion through life, someone to hold and be held by. What he wasn’t expecting was to be torn away from everything he knew and find said woman in 2016.

In the spring of 1685, Lord Hugo Everly, ardent supporter of the Protestant upstart the Duke of Monmouth, vanishes without a trace just before the Monmouth Rebellion, leaving future generations forever baffled as to what might have become of him. In 2013, while visiting Everly Manor as part of her job as a location scout for a film production company, Neve Ashley stumbles onto a secret passage that leads her into the 17th century and straight into the path of the ill-fated lord.

Connie Goodwin is an expert on America’s fractured past with witchcraft. A young, tenure-track professor in Boston, she’s earned career success by studying the history of magic in colonial America - especially women’s home recipes and medicines - and by exposing society's threats against women fluent in those skills. But beyond her studies, Connie harbors a secret: She is the direct descendant of a woman tried as a witch in Salem, an ancestor whose abilities were far more magical than the historical record shows.

Will is my fiance. The shy man I met years ago in college. The person I'm supposed to spend the rest of my life with. This is the life I've always wanted until finding a picture of four men changes everything.... Étienne says he's my husband and the year is 1912. He can't stand the sight of me, but I don't know why. Oh, and he's one of the men from the picture. I've done the impossible and have become trapped in time and I know Étienne is my key to going home.

When Nicole Rayburn travels to Lockwood Hall and begins to research Alys’s story for a new book, she discovers startling irregularities in Alys’s case. Nicole’s suspicions mount as every answer leads to more questions. What really happened to Alys? And what became of her son, who disappeared the day she was hanged? Could it be that Alys’s death was the result of a well-planned conspiracy, or is there another, less obvious answer? And who is trying to sabotage Nicole's efforts by stealing her work?

The year is 1919, and the Great War has ended. As everyone picks up the pieces of their lives, I have only copious amounts of alcohol and women keeping me together. Most of the men I went to war with didn't make it home, including my best friend, Miles. I thought I knew everything about him until I discovered he made me the executor to his little sister Rainey's dowry.

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.

September 1896: As an aspiring archaeologist, Smith College graduate Betsy Hayes travels to Athens, desperate to break into a very male-dominated field and find work at some of the world’s most famous excavation sites. In the midst of the heat and dust of Greece she finds an unlikely ally in philanthropist Charles, Baron de Robecourt, one of the few men who takes her academic passion seriously.

Thorne Manor has always been haunted...and it has always haunted Bronwyn Dale. As a young girl, Bronwyn could pass through a time slip in her great-aunt's house, where she visited William Thorne, a boy her own age, born two centuries earlier. After a family tragedy, the house was shuttered and Bronwyn was convinced that William existed only in her imagination. Now, 20 years later Bronwyn inherits Thorne Manor. And when she returns, William is waiting.