Katy thinks she would make a good diplomat so Glen challenges her to make friends with a communist soldier visiting the US. He and Katy fight but soon he is won over by her charm and Glen gets jealous.

Katy and the family learn about a famous boxer in town. She and the boxer get to know each other, and her ideas convince him that many a great man has solved problems with peace and not fists.

A young prince from the Middle East stays with the Morleys. While there, he asks to join Steve's school chorus, but the boy sings horribly. He soon learns a valuable lesson about honesty.