Zhou Tu and Xu Gui are classmates and colleagues, but they are not friends. An overlapping of cases caused the fate of the two of them to overlap. After a series of thrills, the two opened their hearts and exposed each other's deepest secrets. With the support of their own beliefs and each other's company, they found the answer they had been looking for and escaped the long polar night. This is an ordinary story. I am just a teller of the story. I am not a professional. It is just for entertainment.
Concept: After the polar night is eternal light