Upper Middle Bogan

Bess develops some erratic and misplaced trust and abandonment issues, thinking Danny is either lying to her or going to leave her. Danny is not, he is just concentrating on his new passive-cooling system to avoid using the air conditioner. Troy is desperate to get back with Amber, but he'll need to convince her first that her trust and abandonment issues with him are not well founded.

After Oscar and Edwina's sex-education night, Bess and Danny argue about their own sex life, which Danny feels has been interrupted since the Wheelers came along. When Oscar passes this onto the Wheelers, Wayne and Julie think it's important to offer some sex advice. Meanwhile, Brianna, excited about signing on as a direct-sales lingerie franchisee, talks Margaret into hosting a party for her.

Bess worries the Brights don't have any family-bonding hobbies like the Wheelers do and sets about finding some, much to the horror of Danny and the kids. Meanwhile, Julie has discovered that Wayne is a descendant of rich relatives, and they set out to find them. When Bess learns that Amber has left her out of a possible inheritance, she wonders if she's been trying to bond with the wrong family.

The Wheelers can't afford to run the dragster, much to the delight of their archrival dragster team, the Amentas. When Shawn rescues his Pop from this embarrassment by offering to race in the Junior drags, everyone jumps at the opportunity. Bess pushes Oscar and Edwina into helping Team Wheeler, but when Edwina develops a crush on the junior Amenta boy, Bess may have pushed too far.

Tired of the Wheelers thinking Bess is amazing because she is a doctor, Amber goes for a big promotion at the bank but is devastated when she misses out because of a snooty interviewer on the panel. When Julie discovers that Margaret knows the snooty interviewer, she pleads with her to put in a good word. Meanwhile, Bess is tired of the Wheelers" very, very frequent medical-related visits.

Wayne and Julie's 30th wedding anniversary is nearing, and Wayne wants to buy Julie an expensive necklace, which means when he suddenly gets a terrible toothache, he can't afford the dentist. Trying to hide his aching mouth, he avoids Julie, who becomes suspicious. Bess asks for her mother's advice about her gift, but Margaret is slippery on the anniversary subject, as if she herself has a secret.

After Edwina talks her father into letting Shawn do work experience with him, Danny feels embarrassed by the constant interruptions of the cleaners, gardeners, and wine deliveries. He wishes he was not so middle class and more like the Wheelers, who, on the other side of town, are hatching a complicated plan to use a bunch of two-for-one coupons at a buffet restaurant.

After a TV news story about the Wheelers paints Julie as an old woman who is past her use-by date, Julie decides she won't race anymore. Reasoning that she's the only driver, she sells the dragster to help the family get out of debt. The Wheelers are furious with Julie for being so selfish. Julie, furious at them for not understanding, goes to stay with Bess to teach them a lesson.