We are somewhere in the French countryside and it is a beautiful sunny day by the pool. The husband owns a champagne company and tells his wife or girlfriend (the lithesome Barbara Moose) that he has set up a sweepstakes for his new brand "Champagne Dugland" and that he needs to collect the bottles of champagne from his company offices which are to be awarded to the lucky winners. He instructs his spouse to "entertain" any prize winners that should arrive prematurely, and departs. Barbara has a tipple, then the first winner (Cyril Val) arrives, and they while away the minutes by having sex. As more lucky winners arrive, and even without the champagne flowing as freely as they expected, an extended orgy ensues. We are treated to an all-star cast porking for the best part of an hour. No corner of house and garden remains uninvaded, and some cute kittens are very nearly sexually abused or mangled. There are naked babes and beardy weirdies a-plenty re-enacting the full Kama Sutra page by page. The only thing that's in short supply is any semblance of a story.
As is to be fully expected, the champagne chairman arrives after exactly one hour with two measly bottles in hand, everyone forms a human sex tower unseen before in all of cinema history and ever since, and then they all dance in a merry-go-round. The end.
According to the trailer, the film was initially simply called "Les 3 trous" (The 3 Holes), the German title "Die Flasche zum Ficken" refers to a short scene where a champagne bottle is used for an alternative purpose.