A professor, Komiya, and his bossy spouse, Tokio, are to take care of Setsuko, their high-spirited niece from Osaka. Regardless of being a minor, Setsuko is a liberated girl who does no matter she needs, together with smoking. She even convinces Koyima to take her to a geisha home. When she will get reasonably tipsy, the professor calls Okada, considered one of his college students, to take her residence. The spouse turns into suspicious of Setsuko when she sees Okada bringing her residence.
