When a mysterious storm throws human engineer Kaia Mercer into a world of floating islands, she finds herself surrounded by giant winged women who see her as a sacrifice. Her only protector is Frost, a fierce warrior nearly twice her height. Armed with engineering skills instead of magic, Kaia begins saving the islands from collapse. But as a deadly conspiracy threatens to destroy the entire sky realm, distrust between the two women turns into an unexpected romance. One has the brains to save their world. The other has the wings to protect her. Together, they might just change everything.