A teenaged girl witnesses her widowed mother's attempt to sustain her family.
At the close of the war in Japan, a widowed mother makes every possible sacrifice to bring up her ungrateful son and daughter who are unimpressed with their poor standard of living at home. They gradually reject her in search of the material comforts that working as a maid cannot provide. The mother's despair becomes interminable.
In 11th-century feudal Japan, following the exile of an idealistic governor, his wife and children are separated by slave traders; the children, Zushio and Anju, are sold into brutal servitude under the cruel bailiff Sansho.