A traveling salesman guest leaves Uncle Joe a set of six paint-by-number canvases in lieu of a cash payment. Joe decides to take up painting and hopes to make money with his new venture. Mr. Cheever, an antique dealer, buys Joe's first painting. Joe now thinks he is a new art master on his way to success. However, the dealer only wanted the valuable picture frame. Before wrapping up the painting, Joe trades the frame for one he believes is nicer. News of the painting sale spreads throughout Hooterville. People come by to see Joe's other paintings, including E. T. Gibbs from a local museum. Gibbs hates the paintings, which depresses Joe. Cheever comes back to get the original frame he bought. Kate comes up with a plan for Cheever to get the frame and for Joe to feel better.

Norman Curtis, President of the C&FW Railroad, is currently on vacation in Europe. He left instructions not to do anything to the Cannonball while he's gone. However, Homer Bedloe has a scheme to shut down the Cannonball for good. He hopes to do it without disobeying Curtis' orders. The plan entails Bedloe being appointed Superintendent of the Cannonball. He would then enforce an efficiency program with an impossible to meet new schedule. He expects Charley and Floyd will eventually just give up. Kate and the gang go to the stockholders meeting where she believes they've got a secret weapon to ruin Bedloe's plans.

Business executive Mary Jane Hastings returns home to Hooterville to receive the Chamber of Commerce award. She commands attention just by her very presence, with everyone being at her beck and call. Kate doesn't like the effect Mary Jane has on her girls. Kate blames Mary Jane's assistant Steve, who is setting the example that what Mary Jane wants, she gets. Kate learns that Steve is in love with Mary Jane. Kate tells Steve he needs to stop being the ever obedient servant. But when Steve stands up to Mary Jane, she fires him. After learning that Mary Jane is in love with Steve, Kate finds a way to bring them back together.