In a romantic fantasy set in a magical Regency England, a sorceress must balance magic-ending familial duty with her ambition to become her world's first great sorceress.

After a tragedy too painful to bear, former novelist Lily Albrecht has resigned herself to a dull, sexless life as a rare book dealer. Until she gets a lead on a book that just might turn everything around. The Book of the Most Precious Substance is a 17th century manual on sex magic, rumored to be the most powerful occult book ever written--if it really exists at all. And some of the wealthiest people in the world are willing to pay Lily a fortune...

Hurtled back through time more than two hundred years to Scotland in 1743, Claire Randall finds herself caught in the midst of an unfamiliar world torn apart by violence, pestilence, and revolution and haunted by her growing feelings for Jamie Fraser, a young soldier.

In Season 2, Lyra follows Lord Asriel into the mysterious abandoned city Cittagazze while Mrs. Coulter continues to search for her.