In a world where inventors have all the power and anyone born with natural talents is feared, Tilda Upton must hide her skill at finding things from the authorities. But when a ruthless inventor discovers her ability, she's forced to locate a secret weapon for him or be put to death. The only man who can help her is Black Jack Knight - sky pirate, vagabond, killer. But Jack does not like passengers on his airship, especially women whose vast talents are just beginning to be discovered. And especially women who get under his skin. Together they fight corsairs, a mad inventor and their growing attraction to each other in order to retrieve the invention Tilda has been forced to find, only to learn it could destroy her.