Feihong in a Hundred Steps

Gongyue City, an important pass in the Great Zhou Dynasty, was attacked by Turkic enemies for several months. Faced with the problem of insufficient weapons, the young female general Song Li created a treasure to defend the city - the Hundred-step Feihong. At the wedding banquet, a Turkic prince was killed. Princess Huixian sent a message thousands of miles away, revealing that there was a traitor hidden in the city! As a hundred thousand troops press the border, the people around him become more and more unfamiliar. Who is the traitor? And what are the actions of the traitor...