Celebrating the "best weekend ever," Hef and the girls watch Casablanca. As Hef's eightieth birthday approaches, the staff of the mansion prepares for a blow-out party and the girls search for the perfect birthday present.
With the success of their first Playboy pictorial, Hef decides to do a second photo shoot with the girls. He wants to have them pose on the round bed, but the girls lobby to focus on their individual personalities.
Hef names Kara Monaco as the 2006 Playboy Playmate of the Year, and the girls celebrate her success with a slumber party. The girls get crazy with some skinny-dipping and later they toilet paper the neighbor's house.
The girls host a baby shower for former Playboy Playmate, Victoria Fuller, and Holly expresses her wish to be a mom. Bridget's cat, Gizmo, gets a house call from a veterinary dentist, and Kendra gets rid of prank callers at the mansion.
The girls and some close friends travel to Las Vegas to celebrate Kendra's 21st birthday. In true VIP fashion, they stay in luxury suite in the Palms, and Kendra finally gets an opportunity to show off her blinged-out grill.