While Steve and Bub are away, Chip, Robbie and Mike face the problem of caring for two sick foundlings, a wild bird and a frightened girl, who they learn is a runaway from a maid's job in Philadelphia where she has been unhappy.

Mike learns the importance of indirect questioning in his psychology course when Robbie is sought after by eight classmates. Mike sets out to determine by voluntary questionnaire and graph who would be the most suitable scientific choice.