unai Monogatari AKA Story of Pure Love is about two poor youths, Mitsuko and Kando, rebelling against society in various ways, who are desperately trying to be together despite tortuous circumstances. The film depicts their lives as thieves, menial laborers who can get little pay, society outcasts, and of course, lovers. Junai Monogatari depicts, mostly, their struggles within the Japanese reformatory system and Mitsuko's worsening sickness.

Overview from themoviedb.org