Gomer Goes Home to Mayberry on leave after being away for nearly 4 years, only to find that Andy, Opie, Ain't Bee, and Cousin Goober are gone on a fishing trip. The attendant at Goober's station agrees to let Gomer fill in at his old job while he's gone on a service call. Gomer's first customers turn out to be robbers who stick up Gomer after he unwittingly fixes their getaway car. Gomer helps the State Police track down the robbers by following a trail of oil spots they're car has left behind. Despite being a hero for catching the guys who robbed him, Gomer sees his Mayberry friends returning just as he is leaving town and franticly tries to get their attention...to no avail.