The story has a tragic and desperate ending - in 2177, the "Dark Blue Plague" swept across the world. The unknown symbiont "HT creature" from the deep sea not only paralyzed human civilization by hijacking the global electronic network, but also served as a "beacon" to attract the greedy interstellar predators "Void Zerg". Humanity was defeated steadily under the double blow of the crushing of sufficient fleets and the collapse of internal communications. In the end, the mother planet fell, and the fire of civilization drifted in the sea of stars. Lu Xinghui, a top bioengineer known as the "Father of Symbiotes", and his best friend and partner, quantum communication expert Shen Qingyue, witnessed the gunfire of the Zerg mothership turn all hopes into ashes on the last refuge "Ark". Lu Xing returned to the last lesson of his life, holding Shen Qingyue's cold hand tightly, and regret overwhelmed him like a tide - if he could have seen the truth about HT creatures earlier, if he could have organized the military's reckless nuclear strike, if he could have protected her...
