At Vicki's tension-filled dinner party, Peggy and Alexis reach a boiling point, and Peggy decides to close the chapter on her friendship with Alexis and the other women. Gretchen poses for a nude photo shoot for a charitable cause, while OC's newest housewife, Heather, has it all and isn't afraid to let everyone know it. Meanwhile, Vicki and Tamra go on an overnight trip to Catalina with their boyfriends that nearly ends before it begins when Tamra overreacts and puts Brooks in an embarrassing situation.