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Follow the stories of two families living at opposite ends of the freeway. Bess Denyar is a doctor with a posh mother, Margaret, an architect husband, Danny Bright, and twin 13-year-olds at a private school, Oscar and Edwina. When Bess finds out that she is adopted, she is stunned, but even more so when she meets her birth parents, Wayne and Julie Wheeler. She also discovers that she has three siblings: Amber, Kayne and Brianna. The bogan Wheelers head up a drag racing team in the outer suburbs and are thrilled to discover the daughter they thought they had lost.
The Brights move into an ultra modern house designed by Danny, who refuses to let Bess clutter it with their old furniture. Brianna and her new fiance audition for The Block and Amber discovers that Troy has moved on.
When a shop owner commissions Kayne to paint his designs, Margaret is outraged that she has no plans to pay him. Bess grapples with a gift from Julie and Danny fumes when a coffee shop copies his shirt to make its uniform.
When Bess discovers that Julie has a secret sister, she enlists Brianna, Amber and Margaret to spy. Danny reluctantly takes Oscar away to a conference and Wayne fights the council after they shut down Kayne's backyard shop.
Amber is appalled when Shawn invites his new and very alternative girlfriend to stay. Bess is upset when Edwina announces she wants to do medicine after meeting an inspirational surgeon, having never been inspired by Bess.
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.
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.
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.
Bess struggles to tell Margaret & Julie that she is spending Christmas in New York. Wayne & Kayne try to make their Christmas lights display the best in the street this year, and Danny helps Oscar buy a Kris Kringle.
