Three generations of a Japanese family's women face the challenges of their respective eras. Throughout their lives, each of them forms a special connection with a radio programme. The story is about 100 years of a family, three generations, Yasuko (grandmother), Rui (mother), and Hinata (daughter) who worked with a radio English course during the Showa, Heisei, and Reiwa eras. The drama is set in Okayama, Osaka and Kyoto.