Two thugs kidnap two friends, rape them before demanding a ransom. In the meantime, they find refuge in a bourgeois house. A night of humiliation, violence and sex will follow....
8:28, 31:15 - The wife in the bourgeois house has lesbian sex with the black maid.
54:49 , 56:59 - The wife in the bourgeois house has sex with one of the kidnappers, or more accurately, it's a rape-turned-willing situation.
Erogarga.com (much better copy than the one I reviewed and took screenshots out of)