Taking place in the floating kingdom of Theeria, about a Airship crew who started out as a regular delivering service for their kingdom's power source, The Seam Shift. Their Captain, Lilly, finds herself falling in love with one of the castle servants-in-training and starts to hang out with him more often. Soon she finds herself coming to the castle with him and discovers that The Steam Shift is slowly destroying itself, putting all of Theeria in danger. Throughout the story, our heroes find new friends, foes and mysteries still yet to be uncovered