In ancient Jinling City, General Kou's guard cat Zhanao lost his fighting spirit due to the general's sacrifice and became a stray cat. Soon after, several bizarre cases of humans turning into beasts occurred in the city, and even the prince mysteriously disappeared, and the stray cat Zhanao was involved. The young Bao Zheng tracks down and investigates and takes care of the injured Zhan Ao. Their partners Jin Mao Shu and Kou Zhu, the daughter of General Kou, find the real culprit behind the scenes and expose the huge conspiracy.