The mold problem in the Heffernan household grows and Doug and Carrie find out to fix the problem will cost them $12,000! Doug, with his tail between his legs, goes to his father to ask for the money, but hits a wall when he wants to know why he and Carrie don't have it in the bank. When Doug has to admit they have no savings, his dad wants to comb through their financial books to see where all the money is going. This prompts Doug to limit Carrie on her "wild spending," which does not go over well with her.

Carrie learns from Janet that Doug had a dog when he was 11, that they still have today, and Doug is 38! Janet admits to Carrie that the dog died, and they replaced it without Doug knowing.

When Arthur tries to sell Spence his adjoining burial plot, he somehow winds up selling it to Spence's mother, Veronica. Doug is assigned a new delivery route and is freaked out by a man at one of his daily stops who always answers the door wearing nothing but a towel around his waist. Meanwhile, Carrie takes on dog walking with Holly to make some money after being unemployed for several months, but immediately hates the job and hires a kid to do the walking for her.

A bedridden Carrie gets Doug to team with Arthur for a shuffleboard tournament, but his skills aren't to Arthur's liking. Meanwhile, Carrie pretends to continue being sick so that Holly will continue to cook for her.

Doug digs a deeper hole for himself when he fakes a heart attack to avoid angering Carrie for not knowing her friend's name.

Carrie uses her extra income to hire a maid, but Doug feels left out and decides to hire his own help in the form of Spence's mom, Veronica. Soon, Veronica proves to make more messes than she cleans, especially when her newly subordinate position makes Arthur pine for her.

When Doug and Carrie's neighbor passes away, their grief is quickly replaced by hope when they realize his empty residence could prove to be a profitable investment. In their dash to close escrow, they become wary of another neighbor, Lou, who's neighborly way of upkeeping the bereaved lawn raises their suspicions.

Doug and Carrie's marital tension continues, as they ponder whether they have a future together. Arthur and Ava's wedding day turns problematic.

At Arthur's wedding reception, Doug and Carrie's marital tension continues, and they ponder whether they have a future together.