In 2058 AD, mankind entered the era of space industry, and China took the lead in establishing a mineral resource collection base on the moon.
In order to maintain security at the base, two young police officers were dispatched to the outpost on the moon. While on duty, a mysterious man was discovered. In order to thoroughly trace the origin of the mysterious man, the protagonist returned to the place where the mysterious man was found, and then something even stranger happened...
Concept: Where do humans come from, and where are they going? Are humans alone in the vast universe? If alien life did exist, what would it look like?