After Mamaw (Lawrence) comes to visit, driving cross-country in her old car, Miley, Jackson (Earles) and Robby (Billy Ray Cyrus) decide it's time to get her a new one, without realizing how attached she is to "Loretta." After they trade in her old car for a nice new one, Mamaw is so distraught that they try to get it back, only to find it's already been sold to the junk yard. When they're too late to save it from being scrapped, they must find a way to recreate her beloved car.
Meanwhile, business starts to suffer at Rico's after Oliver (Mitchel Musso) gets in a fight with Lilly (Emily Osment) for forgetting their 100 day anniversary. Eep!