A failed novelist's inability to pay the bills strains relations with his wife and leads him to work at an escort service, where he becomes entwined with a wealthy woman whose husband is a successful writer.
Alex, Emily, and their son, RJ, are new to Los Angeles. A chance meeting at the park introduces them to the mysterious Kurt, Charlotte, and Max. A family “playdate” becomes increasingly interesting as the night goes on.
Day in and day out, lovers Cynthia and Evelyn enact an elaborate sadomasochistic fantasy as mistress and maid. But as their ritual of domination and submission begins to turn stale, Cynthia yearns for something more conventional, while Evelyn tries to push their taboos even further.
A man named Seligman finds a fainted wounded woman in an alley and he brings her home. She tells him that her name is Joe and that she is nymphomaniac. Joe tells her life and sexual experiences with hundreds of men since she was a young teenager while Seligman tells about his hobbies, such as fly fishing, reading about Fibonacci numbers or listening to organ music.