Lois is not looking forward to her birthday due to age-insecurity, but Brian suggests throwing her a surprise party.
After Peter reads a poem that lowers Lois' spirits even further, she starts to suffer a midlife crisis and decides to turn her life around by adopting a different, younger lifestyle with longer hair after a makeover and shopping trip.
On television, a report regarding Justin Bieber shows Lois hanging out with the teen girls.
Meanwhile, Stewie finds a turtle in a pond in a park and decides to take him back home as his pet and names him Sheldon.
Sheldon's revenge attempt is revealed late one night and Stewie is forced to flush him down the toilet.