On a family walk, the Belchers run into the Blevins, their gym teacher, who is selling sweat-scented candles. However, Gene and Louise discover Blevins is using it as a cover to sell sweat samples to a Big Data company for DNA mining. The family navigates various rumors, and the kids hatch a plan to expose Blevins' scheme.

When Lois tries masturbation for the first time, she abandons her responsibilities as a mother and starts dating Bonnie instead. Peter and Joe crash their couples’ trip to win back their wives before it’s too late.

Guest judges Brenda Holder and Tracy Little teach the remaining five chefs how to forage the ingredients in the Canmore Forest; to secure their spot in Italy, the chefs will have to impress the judges by utilizing their foraged items.