Mark, Stacey, and Bobby pool their resources and create a craft the likes of which the world has never seen. After weeks of building, testing, and flying, the gang finally has a workable spacecraft that operates on magic and engineering. But as the space flight test approaches, Stacey starts to worry that Mark is pushing himself too hard. When the time to leave the atmosphere finally arrives, Mark is given the chance to follow his brother’s signal and finally discover what happened to him. Can Mark avoid the temptation? Or will he push his prototype to its limits?