Kume tries to protect her husband Tokugawa Yoshimune and their three children from the schemes of the inner palace of Edo Castle.
Yazaki Rio is a 32-year-old screenwriter. She was once popular, but not anymore. In her past, she wrote hit drama series Tokyo Doll House. Since then she hasn’t written any other hit titles. One day, Yazaki gives a lecture. She gives out a questionnaire and from the answers, notices four women in her audience are dating the same man. Yazaki decides to write a drama series based on these women’s love story.