Hank and the locals jostle for a seat in the sun at the Summer Solstice Deck Party at The Ruby. Wanda observes (and annoys) guests when she tries to complete an article for a human psychology blog at the party. Brent secretly sells the special popsicles Emma has made just for him while Oscar experiments with his own popsicle recipes against doctor's orders. Meanwhile, Davis and Karen are forced to share a gun when Davis' revolver is sent in for repairs.

Hank accidentally punches Brent and they agree Brent can punch Hank back to settle the score. But when Brent takes his sweet time to make his move, Wanda cashes in on the standoff. Meanwhile, Karen and Davis find moonshine in the woods, which ends up helping Lacey and Emma's fundraiser.

The Dog River sewer system backs up causing chaos. No one can use their toilets, so Karen and Davis bring in a porta-potty that everyone fights over. Hank sees a business opportunity and starts PÜBER, a mobile outhouse. Wanda thinks she’s responsible for the clog and treks into the sewer system while Lacey bribes Brent to keep the only working toilet in town a secret. Meanwhile, Emma tricks Oscar into updating their family portrait when she finds an unused gift certificate.

Wanda is frustrated smartphones have replaced her as the town’s wellspring of knowledge so she sends clickbait texts to the citizens of Dog River while Lacey uses Wanda’s texts to move menu items in the diner. Davis and Karen involve Hank in a police training exercise, and things get chaotic when he falls too deep into character and can’t get out. Frustrated that Brent doesn’t sell live bait at Corner Gas, Oscar sets up a Bait Shack across the street to teach his son a lesson.

After Hank watches Hippothermia, an apocalyptic movie, the citizens of Dog River decide they need an emergency plan in case the end of the world is near. Davis, Karen and Wanda argueover who would lead Dog River in an apocalypse, while Hank and Oscar build a disaster shelter. Sick of Brent and Lacey's bickering, Emma traps them in her cellar to force them to hash things out.

It's cigars and "Battle Brides" night for the women of Dog River but they can't shake Hank from the girls-only event. Meanwhile, Brent stocks a new drink called "Commander Cola" in Corner Gas and Wanda becomes oddly attracted to the product's cardboard promotional military man. Meanwhile, Oscar and Davis buy lottery tickets together and can't stop arguing over how to split the winnings.

Lacey wants to take pictures of a Blue Moon rising over Dog River, but things get awkward when she and Brent realize just how romantic moon-gazing can be. Hank is suspicious when Oscar is nice to Emma. Meanwhile, Wanda is jealous when Davis wins an advance copy of the Max Braylorn Spy Trilogy and sets out to "borrow" the book before Davis can take his time with it.

Lacey is horrified to discover that she's featured in sexy graffiti scrawled on the side of The Ruby and Davis investigates. Emma offers to cover it up but gets a little too creative. Meanwhile, Hank and Brent restore a vintage car they bought from Old Man Wilkie, a man Oscar hates...if only he could remember why. Karen prepares to have her photo taken for The National Bravery of the Year Award until a stray cat keeps her out of the spotlight.

Wanda convinces Brent and Hank into re-taking their high school exams to see who is smarter while the Citizens of Dog River plan a 70s party at the bar. Lacey, who is used to being in control, is perturbed by the party planning committee and their lack of direction. Davis and Karen argue about their costumes for the big event while Oscar’s sexy getup throws Emma into a tizzy.

Wanda, Hank, and Lacey attempt to terrorize Brent with a Sasquatch hoax. Davis and Emma's obsession with fantasy TV series Throne Strife forces Karen and Oscar to spend time together. Karen tries find something Oscar likes to do, but discovers he likes being a cranky old man who complains. Oscar discovers Karen likes to complain and coaches her to become better at it.

Brent messes up a fuel order which causes the locals to panic. Hank and Wanda come up with a solution for fuel, but catches the suspicions of Karen and Davis.

Hank wants to build a zip line in town and Lacey and Brent help out so he doesn't get himself killed. Karen and Davis crack down on Dog River's "Free Corner" – the spot where everyone dumps stuff they don't want – much to the dismay of the locals. Meanwhile, Emma and Oscar score a free robot vacuum that Oscar befriends... that is until Wanda soups it up.

Brent and the gang are annoyed when Lacey tries to make them eat local, but they soon have no choice but to eat farm-to-table when the town’s deliveries are mysteriously tardy. Meanwhile, Davis becomes a beekeeper to train “guard bees” as a security measure and Wanda turns his beeswax into candles to sell at a profit at Corner Gas.