Clockwork, steam and secrets power a passionate adventure in the skies. Everybody's looking for something. Captain Rose Madigan of the airship The Merry Widow is looking for a paying job for her all-female crew. Gabriella Upstairs, her newest recruit, is looking for a reason to be glad she's on board. And Madam Ruby of the Red House Bordello is looking for the secret laboratory of a missing mad scientist—and is willing to hire the airship. When they find the lab and its single occupant, Atom Loquacious, danger and passion start steaming up. Everybody's got a secret. Captain Rose is secretly too ethical to complete this job. Gabriella's secretly attracted to Atom. Madam Ruby's secretly hungry for power. And the secret Atom is hiding might just threaten the lives of everyone on board.