Paulo Alves

A pawn shop proprietor buys used goods from desperate locals--as much to play perverse power games as for his own livelihood, but when the perfect rump and a backed-up toilet enter his life, he loses all control. (imdb)

To avenge a farmer who killed his brother and him had stolen a diamond mine, an inmate takes advantage of a reprieve and kidnaps the daughter of the colonel, and both become involved.