Jethro wants a new identity with replacement of their old truck with a modern hot rod. Granny wants to stay with the old truck. To prove how good the old truck is Granny races Jethro in his hot rod.

The Clampetts return to Hooterville to celebrate Christmas. Mr. Drysdale, convinced that Mr. Clampett intends to move all of his money to Mr. Drucker's bank, drives to Hooterville to stop him.