American boy taken as a concubine in the middle east or something by a mistress who has loads of girls and women who keep her company. The dude is used by this lady but if he does well which he does he is given the ability to sleep with the other slaves. He gets good at sex and is given the opportunity to goto other rich peoples castles or houses and sleep with them and impregnant women. He falls for 2 of the girls he is sleeping with at his mistresses house and they save up rare gems and such and run away they make it to an embassy and then he sleeps with one of the women helping them there as they find out he was a sex slave and a very good one. Then he makes it home and still has his 2 girls he brought back who sleep with him and please him. His sister and mother join.