Whodunit? That's the big question at Bridget's murder-mystery-themed birthday party. But before the big celebration, Holly gets a smashing driving lesson in Hef's beloved 1959 Mercedes, and Kendra shows off her drive on the tennis court for a charity tennis tournament. The spirit of competition is alive and well the night of the party. Everyone is dressed in swanky 1920s attire--and Bridget is the belle of the ball in a glamorous red evening gown. Hef and the girls break into teams and embark on a scavenger hunt for clues that reveal the murderer! The crime is solved with much fanfare, marking the end of a killer birthday.