Petra and Henry's marriage has gone flat. However, after a chance meeting with a new lover, Alain, Petra discovers a fresh side to her sexuality. With his encouragement she explores her feelings of dominance and begins to subject husband Henry to a regime of discipline and control. Soon she's regularly meeting other men for sex on her terms, which are very strict. As Petra tightens the reins, Henry is obliged to accept the arrangement. hen she meets Johnny, Henry becomes their cuckold, soon serving them both, sexually as well as domestically. Henry gives Johnny oral service and takes his cock in his ass, while Petra watches and participates. But has Petra been pushing Henry too far too fast? When he rebels against her regime, she must roll back a bit until things are running smoothly again. When she meets an experienced dominatrix, the two enjoy sex clubs and keeping their boys tightly controlled. Eventually Petra and Johnny agree to an amicable split, but Petra and Henry remain married – in the modern way!