Andy, the single schoolteacher has a crush on Dora, the local baker and she is proud to show him her perfected donut, one that soaks up your coffee and floats. Andy thinks that she could help her failing business by advertising on the radio so he convinces her to buy time on a local station and put on a show. Using his class as the entertainment, Andy's intentions to have a perfect radio show go awry, with the help of little Shirley (Shirley Temple).