The events of the game take place in the world of "Koyte". Where the adventures of the hero of the game "BlackEye" unfolded two years ago.
This is a planet whose diameter is 4.5 times larger than our Earth, but it is smaller in mass. There is almost no atmosphere on the surface, but beneath the surface it is full of caves that go down for many thousands of kilometers and all the air and all life are here. This is truly a planet of caves. Rumor has it that a thousand years ago a highly developed civilization flourished here, ancient caves still store many strange objects and mechanisms left by it. But now everything is different here, something happened to those ancient forerunners and now this mysterious world is divided in two: the upper and lower. Intelligent creatures live in the upper one, possibly descendants of an ancient people, it is quite comfortable and nice here. But everything is different in the lower one, terrible creatures live there, bloodthirsty predators who do not know mercy, for whom there is nothing more hated than the inhabitants of the upper world! Not a single inhabitant of the upper world will ever voluntarily go down to the lower world.
However, the heroine must find the answers while traveling under the surface of the planet in abandoned and dangerous tunnels!