Lucky Jackson arrives in Las Vegas with his car literally in tow ready for the first Grand Prix — once he has the money for an engine. He gets the cash easily enough but mislays it when the pretty pool manageress takes his mind off things. It seems he'll lose both race and girl, problems complicated by rivalry from womanizing fellow racer Elmo Mancini.

Tax collector Lorenzo Charlton comes to the Larkins' farm to ask why Pop Larkins has never filed an income tax return. Charlton has to stay for a day to try to estimate the income from the farm, but it isn't easy to calculate when the farmer has such a lovely daughter.

Nine-year-old Amy has decided that klutzy neighbor Arthur is the one she's going to marry. However, Arthur is too busy trying, and failing miserably, to get a place on the football team to pay any attention to her. So she comes up with what she thinks are foolproof schemes to get him to succeed, which will give him more time to spend with her. Complications ensue.

A group of scientists take Simon, a psychology professor, as a test person for a brainwashing experiment and try to convince him that he is a living being from another planet.