Young Gary Chang from Yunlin County dreams of becoming an astronaut, but his parents trick him into enrolling in Taiwan’s top medical school instead. Determined to rebel, he vows to transfer to the Aeronautics program in Tainan after six months and reunite with his girlfriend Wang Shu-han, who shares his dream. Yet as he faces fierce academic competition and the strain of a long-distance relationship, Gary is forced to juggle his ambition, love, and the heavy weight of family expectations.