Avira Bianco is the daughter of the most powerful skyship baron in all of Aerope. She dreams of inheriting his empire someday but knows the odds are slim given her place as a daughter, not a son. When her father betrays her by announcing her arranged marriage, Avira runs away. On board the great skyship Apollo, Avira dresses as a kitchen boy and soon develops forbidden feelings for one of her crewmates, Matteo.

But Matteo has a secret of his own. He is a detective hired by Avira's father to ensure safe delivery home. As The Apollo sails closer and closer to mysterious southern ports, Avira and Matteo's friendship blossoms into something more. But their confusing romance is the least of their worries as pirates, military generals, and warrior queens are on the hunt for Avira.

While Matteo is determined to put his heart first, Avira's new life as a vicious sky pirate may be standing in their way. After all, is there any space for love so far above the Earth?