Chisako Satoya, a writer, and her father, Kozo, had a long-standing feud and had been living apart for a long time. However now that Kozo, who lives alone, has dementia, she returns to her hometown to begin taking care of him.
Unfortunately the movie Stay Mum is not yet available on HBO Max.
| Directing | Kosai Sekine | Director |
| Writing | Kosai Sekine | Writer |
| Writing | 北國浩二 | Book |
