Chained Sinners: Medieval Fleshpots 2003 on netflix

In a distant time and place a country is divided into several kingdoms. The king of the richest has recently died and his son and heir will have a new bride selected for him from amongst the princesses by the high priestess. But before the selection can begin, the beautiful princesses must be freed from their jealous kidnappers, who have forced them to work in the silver mines!