Danny O'Neill and Hank Taylor are rival trumpeters with the Perennials, a college band, and both men are still attending college by failing their exams seven years in a row. In the midst of a performance, Danny spies Ellen Miller who ends up being made band manager. Both men compete for her affections while trying to get the other one fired.
Penny Morris and Tommy Williams are both starstruck young teens but nobody seems to give them any chance to perform. Instead, they decide to put up their own show to collect money for a summer camp for the kids.
To stop Pinkie's widowed, struggling mother Dottie from marrying a well-off older man they know she doesn't love, teenager Pinkie and her best friend Buzz kidnap her in the family travel trailer to live a carefree life on the open road. They then get the idea to find Dottie a financially secure husband whom both she and Pinkie would like.
