In the first episode of the third season of Bravo's "The Real Housewives of Orange County," Vicki surprises daughter Briana with a brand new Mercedes, literally wrapped up in a bow. Briana is now living on her own as she goes to college and Vicki has learned that with both kids out of the house, the only way she can maintain any control over them is with money. Lauri is awash in wedding plans as her upcoming nuptials to George consume her every thought and deed. George's eldest daughter, McKenzie, is about to graduate from high school and hopes desperately to get a trip to Miami Beach as her graduation present. Jeana is excelling as a real estate agent in the community while Shane struggles with a recent back injury, which is keeping him from playing professional baseball. As usual, Kara and Shane fight while Jeana's husband Matt tries to keep his cool. Kara and kid brother, Colton, bond after the death of their dog, Shire. A major tragedy has befallen Tammy and her daughters,