Upper Middle Bogan (2013) - Season 1

When Bess Denyar - a doctor with a posh mother, an architect husband and twin thirteen year olds at a private school finds out that she is adopted, she is stunned. But even more so when she meets her birth family. Wayne and Julie Wheeler, parents also to Amber, Kayne and Brianna, head up a drag racing team in the outer suburbs and are thrilled to discover the daughter they thought they had lost.