Due to her parents' promise at her birth, Lady Rosemarie has been prepared to become a nun on the day she turns 18. Then, a month before her birthday, a friend of her father's enters the kingdom and proclaims her parents' will left a second choice - if Rosemarie can marry before the eve of her 18th year, she will be exempt from the ancient vow.

England, 1381: Delia’s idyllic life as daughter of an earl is shattered when her father dies and his wife accuses Delia’s seven brothers of treason and murder. The youngest is only ten years old, but this doesn’t stop the guards from hauling them off to the Tower of London. There they await a grim fate, as child-king Richard II is executing anyone who poses a threat to his throne. Delia is their only hope for pardon and freedom.

Longing to find true love, Kate Millington arrives in British Columbia on a bride ship. With countless men waiting to snag a bride, Kate has no trouble getting engaged. It's staying engaged that's the problem. After traveling to the remote mining town of Williamsville to marry her newest fiance, she finds herself single again. As the prosperous owner of a gold mine, Zeke Hart has everything he's ever wanted except for a wife. At Kate's arrival, he takes it upon himself to protect his childhood friend from the men clamoring to court her. 

Miss Dinah Ashmore has a problem: her sister has gone missing, and the constable isn’t taking it seriously. She decides to take matters into her own hands by hiring a Bow Street Runner, not understanding the danger she has put herself in. Nathaniel Calvert, Earl of Hawthorne, is an agent of the Crown. His assignment is to root out a radical group and bring them to justice. When Miss Ashmore mistakes him as a Bow Street Runner and explains her plight, he suspects that the missing sister might be connected to his case.

The ultimate cure that could heal any disease? Crazy. That's exactly what research scientist Marian Creighton has always believed about her father's quest, even if it does stem from a desire to save her sister Ellen from the genetic disease that stole their mother from them. But when her father falls into a coma after drinking a vial of holy water believed to contain traces of residue from the Tree of Life, Marian must question all of her assumptions. He's left behind tantalizing clues that suggest he's crossed back in time.