Watch Vintage French Swinger’s Movie Echanges De Partenaires (1976). The movie is about a French couple who get into swinging on a vacation. Eric and Joelle decided to spend their honeymoon night at the house of a married couple of friends. These friends happen to be in the midst of a serious marriage crisis. One day, the little sister of one of the wives suddenly appears and she is a total slut. This naughty slut puts everyone’s marriage in trouble by having sex with the men. With the presence of the wife’s little slut sister, both the couple’s relationships get strained due to debauchery and cheating. Eventually, they understand their errors and accept each other in the end. Finally, the redhead slut sister goes away naked on the back of a biker.
