Clarisse (Katsumi) is a true sex addict, on the hunt for stallions with backs of steel—men capable of taming her, impaling her front and back, and bringing her to her knees. Momentarily, that is. For no sooner has she come back down from seventh heaven than her boundless appetite takes hold of her once again.

Three young couples are renovating together a loft in Paris. During a barbecue, Patrick and Julie confess to their friends that they practice partner-swapping. That information shock 1 of the couple, but the other one seems to be interested ...