Wayne wants to surprise Julie with an expensive necklace for their 30th wedding anniversary however a toothache causes some physical and financial pain.

Angry with Margaret for not taking her diabetes seriously, Bess sets up training sessions with newly qualified Brianna. Margaret reluctantly agrees, but is surprised at the outcome.

Danny is devastated when Edwina wants to quit the bassoon after relentless bullying at school. She makes everything alright at a music concert where she plays in a way no one expects.

Shawn races against Team Wheeler's arch rivals the Amentas in the junior drags. Bess is delighted to involve her family until Edwina develops a super crush.

Amber applies for a promotion at the bank, which requires a good word from Margaret. Bess is tiring of medical-related visits from the Wheelers.

Bess and family support Team Wheeler at the drag racing championships. Bess tries to solve engine problems, however the aftermath is filled with fury. Will they sever ties?

Brianna coaches Edwina's rowing team, with much more gusto than Edwina wants. At the regatta, Evan gives Amber a speedboat, a gift she oddly doesn't like. After minor surgery, Danny stays home while Margaret looks after him.

Middle-class woman, Bess Denyar, discovers she's adopted. She's shocked to find her birth parents head up a drag racing team in the outer suburbs.

Bess continues to struggle with the adoption discovery and develops some misplaced trust issues. Danny is concentrating on his new passive cooling system and Troy is desperate to get back with Amber.

Bess brings Margaret & Julie to a Mothers' Day Lunch, where Bess having 'two mothers' is misunderstood. The Wheelers help Amber & Evan at a hardware store sausage sizzle & Danny signs the kids up for a charity bike ride.

Shawn drops out of school, so Amber turns to the school Principal who helps in an unexpected manner. Julie is injured so Kayne offers to drive for Team Wheeler, while Bess and Danny prepare Oscar for a wilderness expedition.

After backing into another car, Wayne is forced to take a driving test. At work, Bess has a bullying issue and Wayne offers to come to her rescue - unaware she may also come to his.

Edwina talks Danny into letting Shawn do work experience with him, exposing his middle class lifestyle. Meanwhile, Margaret's doctor insists she must find a dog to walk every day.

Bess is angry at Margaret for lying to her all these years and decides to concentrate on getting to know her real parents. However, becoming one big family could take longer than hoped.