On the streets of Beijing in the 1950s, the 28-year-old bar bells sounded loud and clear. Jiang Weidong was sitting in the back seat and had just opened his eyes from a coma. He felt that there were a whole row of armored vehicles and mountains of supplies parked in the infinite space with a radius of fifty meters inside his body. Memories of his predecessor came flooding back - three generations of loyal men and illustrious military exploits, and a cannonball replaced his body.