Adding a little spice to a waning marriage, a well-connected and wealthy American bunch, Bob and Anne, proceed into a manorhouse in romantic Paris. Our hostess finds there are 13 guests while preparing complex friends a specially lavish dinner. Anne insists that her loyal maid Maria disguise himself as a Spanish woman to even out the numbers. But some chat along with only a touch too much wine guide Maria to accidentally endear himself into a art broker. Their love could possess her maid being chased by Anne and finally plotting to destroy this joyous and most unexpected romance.