Peggy tries to reach the pinnacle of real estate success by selling houses in the exclusive neighborhood of Arlen Heights, but she winds up selling pots door to door. Meanwhile the real Rusty Shackleford pays a visit to Dale.

After Hank falls in love with organic food he starts his own mini co-op garden in his back yard.

Hank helps Buck Strickland battle the Arlen City Council and a rival restaurant after "Sugarfoots" loses its business due to a local ban on the sale of foods containing trans fats.

When a local paper plans to run a story about Strickland Propane dumping old propane tanks into the river, Hank suggests that the company go green. Dale, in an attempt to impress the ladies, organizes an Earth benefit concert.

Lucky's sister Myrna and her children attend a baby shower in which Peggy is throwing for Luanne. It doesn't take long before Myrna and Peggy clash over how the children will be raised by Luanne, with Peggy wanting the good, old fashioned skills where as Myrna likes the more modern way and by the book.

Hank is shocked when his mother announces she is marrying a man she has only known for a few weeks. Soon after, the newlyweds celebrate by purchasing an RV and heading to Hank's. When Hank's mom and new stepfather have a heated argument, she takes off with the RV and Hank is left to rescue his mother once again.