It is the autumn of 1943, and life is becoming increasingly perilous for Italian Jews like the Mazin family. With Nazi Germany now occupying most of her beloved homeland, and the threat of imprisonment and deportation growing ever more certain, Antonina Mazin has but one hope to survive - to leave Venice and her beloved parents and hide in the countryside with a man she has only just met.

Present day, London: When Sophie discovers a photograph of her great aunt Vivi from World War II, it throws her into a world of confusion. Because, as she learns about this secret relative, she quickly realizes that the photograph doesn’t fit with her family’s story. It shows Vivi leaving an address associated with a spy network in London - a place she had no reason to be - and it is dated right before she disappeared. 

In the spring of 1628, the Witchfinder of Wessex finds himself a true Witch. As Bess Hawksmith watches her mother swing from the Hanging Tree she knows that only one man can save her from the same fate at the hands of the panicked mob: the Warlock Gideon Masters, and his Book of Shadows. Secluded at his cottage in the woods, Gideon instructs Bess in the Craft, awakening formidable powers she didn’t know she had and making her immortal. She couldn't have foreseen that even now, centuries later, he would be hunting her across time, determined to claim payment for saving her life.

Colby Mills once felt destined for a musical career, until tragedy grounded his aspirations. Now the head of a small family farm in North Carolina, he spontaneously takes a gig playing at a bar in St. Pete Beach, Florida, seeking a rare break from his duties at home. But when he meets Morgan Lee, his world is turned upside-down. The daughter of affluent Chicago doctors, Morgan has graduated from a prestigious college music program with the ambition to move to Nashville and become a star. Romantically and musically, she and Colby complete each other in a way that neither has ever known.

When the Nazis rise to power, Jürgen Rhodes is offered a high-level position in their burgeoning rocket program. Jürgen and his wife Sofie fiercely oppose Hitler's radical views. Yet it soon becomes clear that if Jürgen does not accept the job, their income would be put on the line, and so would their lives. Years later, Jürgen is one of many German scientists pardoned and granted a position in America's space program. For Sofie, this is a chance to leave the past behind. But when rumors about the Rhodes' affiliation with the Nazi party spreads, idle gossip turns to bitter rage.