Dungeon of Desire (1999)

When photographer Carrie and her two lovely models are transported back to a medieval castle in the fifteenth century by a magical chastity belt, they encounter a ruthless captain of the guard and more royal intrigue than they could have ever bargained for. It takes a leap of faith, a lover's knot and a real life magician to save the girls and transport them back to modern times and a life lived happily ever after.