A new drug drives neighbours to swapping.
Couples continue their swapping.
1A wife is persuaded to let another fuck her by her husband.
2Loving wives being shared.
3Threesome, wives together, watching.
4Wives lesbian sessions drive further swapping.
Couples watching and swapping.
1Two couples pay off their debts together.
2Part two, the couples agree to more sex together for a loan.
1A couple watching a couple fuck.
2Maid and Butler are made to perform for the Wife.
Watching the wife fucked to orgasm.