It's Halloween, and the family is in the mood for some tricks and treats! Shauna struggles to find a costume that fits. At dinner, Shauna makes a life-changing announcement. Later, the matchmaker reconnects with Shauna and has a surprising match.

Shauna and Rylee throw Tara a bachelorette party in Pittsburgh that's full of surprises, and things get heated between the sisters while at a bar. Back at home, Mark and Patty enjoy dinner alone and talk about what life will be like as empty nesters.

Shauna realises her limitations while getting hands-on experience at a farm. She asks Tara for advice, but things turn sour when they get into an argument. Then, Shauna gets a new tattoo while Mark and Rylee put on their first puppet show in years.

The girls go bridesmaid dress shopping for Tara's wedding, but Shauna gets frustrated when nothing fits her. Wanting to make changes to her life, Shauna considers a future career and joins a gym. Then, Shauna goes on a blind date.

Shauna heads to a brewery with friends, but her parents struggle with letting go and allowing her to be independent. Worried about her dating life, Patty suggests Shauna try a matchmaker. A doctor is concerned over Shauna's worsening migraines.

Shauna tries to live like a normal 22-year-old, but at 3 feet 10 inches, she's stuck in the body of an 8-year-old. From dating to drinking, she faces surprising obstacles on her quest for independence -- both at home and on a day trip to the Jersey Shore.