The story takes place in an international metropolis. A large-scale immersive cultural tourism project called "Great Wall Realm" is under preparation, aiming to recreate the military defense system of the ancient Great Wall of China through AR/VR and other technologies. Its core purpose is to "experience the strategies of war and appreciate the preciousness of peace." The project has become a social focus, attracting talents from various fields such as business, history, science and technology.
