In medieval England, Gloriana, Lady of Kenbrook, awaits her husband, Dane St. Gregory, whom she has not seen since childhood. She is stunned to discover that he has returned with a betrothed; beautiful Gloriana is to be cast into a nunnery. Dane's mysterious sister-in-law, Elaina, counsels her to win Dane's heart or see the entire Kenbrook line imperiled.

Entranced by her passionate will, he cannot resist Gloriana's potent charm, while she falls ever more deeply in love with Dane, her valiant swordsman. But their newfound happiness is brief -- suddenly, Gloriana is swept across the chasm of time to a dazzling future. Trapped centuries apart, Gloriana and Dane suffer the torment of their longing, knowing that only their love for one another and the strength of their desire can reunite them at last.