In the 37th year of Jiajing in the Ming Dynasty, the eunuch power was poured into the ruling and opposition. The martial arts master is the first factory in the flattering supervision, and proposes to use the "live tiger heart" to refine the alchemy for "rejuvenation of aphrodisiac.". Therefore, the East Factory set up a "Sili Hunting Ground" in the southwestern border town where the tigers are infested, hunting tigers for refining. However, I did not expect that this move caused the strange virus to enter the tiger, let the tiger go crazy, and form a plague to spread rapidly... At this time, Zhang Liucheng, a retired Jinyiwei household, took the incident and was destroyed by the East Factory. The orphans and happy children came here to find Zhang Liuping, the younger brother of the hunter who was recruited into the Sili Hunting Ground. Only to be attacked by the variation of the lost tiger. But the crisis was only the beginning. Soon, the plague caused the tiger to quickly gather nearly a hundred, and surrounded the town. For a time, the townspeople were successively slaughtered by the tigers, and the whole city was at stake! Zhang Liucheng stepped forward and prepared to lead Huaner and the people in the town to escape from the sky, but what he did not know was that there was a more fierce secret in the "hunting ground" than the beast....