Vance and Amy return from their engagement trip to Paris, but Dave is unsure they're making the right decision. Meanwhile, Rex tries to convince Dave to buy a new car. Amy makes outrageous demands of her maid of honor Julia and Leigh takes the reins as wedding planner.
After discovering that Dave has high cholesterol, Julia puts him on a strict diet and realizes it's time to start acting like adults. Vance tries to curb Amy's outrageous spending. Rex takes Leigh's suggestion of building a man cave where there are no rules and no judgments.
Dave becomes obsessed with gender roles after attending Rex and Leigh's "Mad Men" party, so Julia tries to make him feel more like a man. After Leigh's shrimp rolls give everyone food poisoning, Vance and Amy argue about her job as the wedding planner.
When Leigh's injuries prevent her from participating in a doubles tennis tournament with Rex, Julia steps in as her replacement. Dave, Vance and Isabella set up shop in one of the houses they're selling until Amy spoils the fun.
Julia plans a quiet bachelorette party for Amy in Vancouver, however Amy has failed to tell her childhood friend that Julia is the maid of honor. At the bachelor party, Vance hopes to have a special moment with his friends while Dave tries to impress the guys with his camping skills. Rex and Leigh can't bear to spend one night apart.
Leigh takes charge of the day as wedding planner as Vance and Amy struggle with cold feet. Dave and Julia argue about their toasts to the happy couple. Rex will stop at nothing to be a part of the wedding.