In the future city "New Eden" ruled by gene editing technology, every breath is wrapped in the coldness of technology and the warmth of humanity. When the gene chain becomes the code of power, when survival instincts and moral conscience collide fiercely in the DNA spiral, an ultimate game about the "essence of human nature" is spreading from the rusty gene black market to the core of the city dome - this is a novel that allows readers to see their own reflection in the DNA double helix. When gene editing technology tears away the last fig leaf of mankind, do you dare to look directly at the "genetic scar" deep in your soul?