Chicago, 1923: Ten-year-old Dani Flanagan returns home to find police swarming the house, her parents dead. Michael Malone, the young patrolman assigned to the case, discovers there’s more to the situation—and to Dani Flanagan herself—than the authorities care to explore. Malone is told to shut his mouth, and Dani is sent away to live with her spinster aunts in Cleveland.

Anne Gallagher grew up enchanted by her grandfather’s stories of Ireland. Heartbroken at his death, she travels to his childhood home to spread his ashes. There, overcome with memories of the man she adored and consumed by a history she never knew, she is pulled into another time. The Ireland of 1921, teetering on the edge of war, is a dangerous place in which to awaken. But there Anne finds herself, hurt, disoriented, and under the care of Dr. Thomas Smith, guardian to a young boy who is oddly familiar.

The Overland Trail, 1853: Naomi May never expected to be widowed at 20. Eager to leave her grief behind, she sets off with her family for a life out West. On the trail, she forms an instant connection with John Lowry, a half-Pawnee man straddling two worlds and a stranger in both. But life in a wagon train is fraught with hardship, fear, and death. Even as John and Naomi are drawn to each other, the trials of the journey and their disparate pasts work to keep them apart.

As children, Eva Rosselli and Angelo Bianco were raised like family but divided by circumstance and religion. As the years go by, the two find themselves falling in love. But the church calls to Angelo and, despite his deep feelings for Eva, he chooses the priesthood. Now, more than a decade later, Angelo is a Catholic priest and Eva is a woman with nowhere to turn. With the Gestapo closing in, Angelo hides Eva within the walls of a convent.

In 1760, Deborah Samson is born to Puritan parents in Plympton, Massachusetts. When her father abandons the family and her mother is unable to support them, Deborah is bound out as an indentured servant. From that moment on, she yearns for a life of liberation and adventure. Twenty years later, as the American colonies begin to buckle in their battle for independence, Deborah, impassioned by the cause, disguises herself as a soldier and enlists in the Continental Army.