Prostitute Killer (2015)

In the city of Macau, many dead bodies of young prostitutes appear in almost everyday of the week. During the investigation turns out it's not a serial killer but a brutal hit man act but why? Later a woman calling herself the Empress reveal she is part of a cult calling themselves "taking sinners of the streets " and has succeeded their work from South Korea to China and now they are in Macao city to proceed further. Will the police succeed to end this cult and who is this Empress?