Richard is working in New York for an investment bank. His girlfriend Kathleen is preparing for their society marriage in Toronto in September. A month before the wedding on Simcoe weekend she decides to have their four closest friends up to her splendid family cottage on Georgian Bay - to prepare the wedding party.

But James, Richard's best friend from law school and best man rashly invites a dangerous interloper into Kathleen's protected social circle. Naomi may like James, a leftist lawyer, but as the soloist in a Brechtian opera company loathes Richard, Kathleen, Sarah and Kim on sight.

Politics are the raison-d'être for this creature as beautiful as she is venomous. Naomi quickly decides it is time to disrupt Kathleen's perfect world...