After the advent of the Gray Realm, Chicago was cut into a war zone by the "thin point/anchor point": hunting by packs of splinter beasts, ambushes by shadow stalkers, and the gaze of observers made people go crazy first and then die.
Thermal weapons are still the mainstream, with weak response capabilities but heavy costs.
Lee Kane, a maintenance worker in the military recovery team, relied on space whispers to navigate, just to rescue his daughter, who was numbered as an "adapter."
Each mission brings back data boxes to spell out the truth: the gray world is not an invasion, but reality is overwritten and complexity is compressed.
The three major forces tear apart mankind, and fatherly love and humanity are forced to evolve amidst gunfire and gaze.