Explicit, explicit

In São Paulo, the gang of the former pimp Marcus abducts another virgin woman late night. They trade the virgin girls with three wealthy sick old men that pay a little fortune to deflower the girls. Then the gang of sex maniacs kills the women and dumps their bodies in the backwoods. The police know that the gang has abducted sixteen women and they have already found ten bodies, but they do not have any lead to find the criminals...