Steve and Bub are both called out of town and Mike urges them to leave him in charge, only to find the role of mother hen harder than it looks. His worth is really put to the test when he learns that Robbie and Hank have been taken to hospital after an accident at school.

The Douglas household is tormented by the discordant rehearsals of Robbie's band, until Steve steps in to help them. Mike's College fraternity is looking for a band to play their annual dance. With Steve's assistance on lead saxophone Robbie campaigns to his brother for the job.