Mortally wounded Piao returns to his village and decide to send his friend Xin to a dangerous village.

Xin learns Piao was attacked serving as stand-in for Ying Zheng, the young King of Qin. Plus, Piao's killer arrives to murder Ying Zheng.

Diao helps Zheng and Xin escape Heibei Village through a secret passage; Xin still blames Zheng for Piao's death, causing tensions to boil over.

On the run, Zheng and Xin battle with exhaustion and each other; When they reach their destination, their pursuer is close behind with no sign of Lord Changwen.

Xin vows to aid the King and single-handedly battles ruthless assassin Mu Ta. Plus, General Wang Yi brings a piece of tribute to the Court.

Xin learns of Piao's heroism during Wang Yi's ambush and Zheng's lack of allies; Zheng goes out to forge alliances along a dangerous path.