In a world intertwined with abacus and gunfire, there are secrets hidden in the mountain and river map that can subvert everything. Liang Yucong was seriously injured and his life was hanging by a thread. Bai Shijing's mutant army was pressing forward step by step. Tianji Pavilion secretly laid a deadly chess game. When the door to the ancient ruins opens, will it be greeted by life or a larger conspiracy? Every step may be a dead end, or it may be the truth.
