Secret Needs (2001)

Although Harry and Lisa have a happy marriage, their sex life is rather boring. And it's not just the fact that Lisa is overly prudish. One day Harry collides with attractive Jessica, who works as a dominatrix, and a passionate affair between them ignites. Lisa begins to tempt their neighbors, Bill and Kiki. However, the situation suddenly escalates when a chance encounter with Lisa and Jessica when they shared a dinner bill.