本作描绘了在前作中从王骑手中继承长矛的信向着更高的目标前进的模样。除秦以外的所有国家都对秦国虎视眈眈，楚、赵、魏、韩、燕、齐联合组成合纵军（合纵军）。率领他们的是神秘莫测的军师李牧。

After being stricken with Alzheimer's disease in the prime of his life, a successful young businessman slips slowly away from his loving family.