Vince Karter and his spouse Veronica Leal have recently employed Martina Smeraldi, an attractive Italian housekeeper, and are gearing up for their weekly swingers get-together with a select group of friends. Following the arrival of their friends Kristof and David, Martina goes to the kitchen to prepare beverages for the gathering. Following a brief exchange of banter and flirtation between the buddies, Vince and David enter the kitchen to gently extend an invitation to Martina. In the meantime, Veronika, Vince's wife, and Kristof, his buddy, begin having sex in the living room. Afterwards, following their successful seduction of Martina, Vince and David join Kristof and Veronica in the living room for a hardcore orgy.