Xin discovers Ying Zheng, the young King of Qin, who's fleeing his half-brother's uprising. Piao's killer arrives to murder Ying Zheng. Xin, who's learned that Piao died serving as Zheng's stand-in, must decide which to help and which to kill.

Zhao's master tactician Li Mu is forced into negotiations with Qin's crafty Lü Buwei. What will the outcome mean for the future of their kingdoms?

It's a showdown between Meng Ao and Lian Po as the mighty generals face each other for the first time in forty years. Will Meng Ao have his revenge?

New ministers take positions in the Royal Court, and Xiang has big news for Zheng. Xin sees a potential problem as a way to get closer to his goal.