The male lead goes to another region for a project work, and within just a few days, learns that his girlfriend of many years is secretly organizing an engagement ceremony behind his back. Separated by a thousand miles, he does not impulsively argue, and decisively ends this false relationship. Facing criticisms, he brings out evidence to clear up the misunderstanding, wholeheartedly polishing his profession to elevate himself. By chance he gets to know the female lead who shares matching values, the two appreciating each other and moving forward side by side, their careers steadily rising upward, harvesting an equal, sincere, and wonderful marriage.