When the sound of the toilet flushing became the prelude to time travel, Chen Yue discovered that history is the greatest copy.
He was just a small employee of "Tiangong Technology", but after an ordinary flush, he was involved in Xianyang in 221 BC. The sharp men in Heibingtai regarded him as a monster, and Qin Shihuang only had three words of patience. With his life hanging by a thread, he unexpectedly returns and brings back his "toy" - a civilian drone.
When this buzzing "Iron Bird" took off in the main hall of Xianyang Palace, for the first time in the ages, the eyes of an emperor reflected the horror that transcended the times. From then on, Chen Yue became the most dangerous "two-way dealer" traveling between two time and space: exchanging the bronzes of the Qin Dynasty for modern chips and batteries; using the knowledge of the future to arm the ancient empire.
But the greed for power never changes with the times. When the swarm of drones covered the sky and the sun was blocked, and when Daqin's black dragon flag was planted on the unfamiliar coast, Chen Yue suddenly realized: Can the Pandora's box he opened with his own hands still be closed? And the commander of the Black Ice Platform, who was secretly watching his every move, seemed to have discovered the secret of the Gate of Time and Space...
