As soon as hostilities begin, nothing goes according to plan for the Qin army. The Hi Shin Unit is caught off-guard before it can cross the central hill, and the hill on their side seems to have already been taken by the enemy. However, no one is short of resources in this battle between Kei Sha and Kan Ki.
The outcome of the first day was calamitous for Qin's troops. Kan Ki's officers were surprised by the enemy's ingenuity, but escaped total annihilation. The first night in the dense Koku You forest is a heavy one for Shin and his men, but also for Kyou Kai and his men, who are totally isolated from the rest of their army.
As the second day of the Battle of Koku You Hills approaches, a messenger from Kan Ki informs the Hi Shin Unit of their new objectives: to push back the front line to the right to catch Zhao's army at the rear of the central hill.
The Hi Shin Unit's mission is clear: cross the river to drive out Ba Tei's troops, then reach the central hillside. On the latter, fighting is also raging between the armies of Zhao and Qin, where no one has yet gained the upper hand.
The Hi Shin Unit, which ended the second day of the Koku You battle with a success, continues to push its advantage on the right flank of the battlefield.
Kan Ki has managed to push Kei Sha over the edge, and now he's determined to destroy the Hi Shin Unit. But this is where the ex-bandit-turned-general's trap closes.
The Hi Shin Unit, which has set off in pursuit of Kei Sha, Zhao's General, comes up against his fierce guard - but only Shin needs to catch up for the mission to be a success. A duel at the summit lies ahead.
Shin, having accomplished his feat, manages to return to the starting point, but a surprise awaits his unit at the foot of the central hill. Kan Ki has made an astonishing decision that defies reason.
Tension is running high between Kan Ki and the Hi Shin Unit, following the discovery of atrocities committed by the latter's soldiers. Bi Hei arrives to calm the situation, but his intervention will cost him dearly.
After the tensions between Kan Ki and the Hi Shin Unit, the Battle of Kokuyou Hills can resume - To Hi Shin Unit's surprise, events are about to unfold in the most astonishing way: Kan Ki simply announces a swift end to the battle.
With Qin's victory still shaking the world, old Sai Taku has undertaken to arrange a meeting between Ei Sei and a key figure in the realization of his ambitions.
