With a gun at her side, Bree prepares to end it all now that her friends have abandoned her and her life continues to spiral further into despair; Gaby begins to suspect that Carlos may have had something to do with Detective Chuck Vance's murder; Susan makes up her mind to go to New York to become a true artist - with or without Mike; and an angry Tom cancels his plans to go to Paris with his girlfriend when Lynette confesses that she's an accomplice to murder and may soon be arrested