Mutant Tiger [狂虎危城]

560 AD. In the thirty-seventh year of Jiajing's reign in the Ming Dynasty, the power of eunuchs was overwhelming. To improve the power of yin and yang, the Feng Shui Master decides to create a tiger arena in the center of the capital. But a strange virus infects animals and now hundreds of mutant tigers are breaking out into the streets and drowning the city in blood.