Tokiko is a famous ceramist who gives workshops at home. Haruka is her assistant student and lover who lives with her. However, Tokiko's instructions are rather specific and Haruka is obliged to blindly trust her teacher. Haruka lays down the methods of her teacher and everything goes well until Tokiko accepts a young male student, Satoru.
Tokiko, a renowned ceramic artist, and her husband encounter Haruka, a teenage runaway, and take her into their home, where Tokiko teaches her about ceramics.