简介：Michel(Jean-LouisTrintignant)isasuccessfulbourgeoisplaywrightwhofantasizesanaffairbetweenhisbeautifulwife,Nina(FlorindaBolkan),andhisbestfriend,Max(TonyMusante),abisexualactor.Unbeknownsttohim,thepairhaveinfactbeenloversforyears,thoughMaxisreallyinlovewithMichel.WhileNinaisoccupiedwithMax,Micheldriftsintoanaffairwitharich,butlonely,singlewoman(AnnieGirardot).ThefourmeetregularlyfordinneratthehomeofMichelandNinawheretheyindulgeinbored,amoralconversation. Asadiversion,MaxsuggeststoNinathattheyaddathirdplayertotheirbedroomgames:Ric(LinoCapolicchio),Max'sanarchist/poetboyfriendwholivesinadanklyluxuriousbasementandsellshimselftobothmenandwomen.Afterawhile,RicfindshimselffallinginlovewithNinaandeventuallyattemptssuicideoverher.NinadiscoversRicintimetosavehimanddecidestoleaveMicheltolivewithRic.ButsoontheirrelationshipwithersandNinareturnstoherhusband.It'sthenthatMicheldecidestoinviteRicintothecircle,astheygoonmeetingatdinnerandplayingtheirgamesofloveandseduction.…