A spontaneous romance blooms between Kawamura, a professor touring Europe, and Naoko, a married woman living in Paris, scarred by the Nagasaki atomic bombings. The two protagonists travel around Europe trying to find themselves.
| Actor | Role |
|---|---|
 Mariko OkadaNaoko Toba | Naoko Toba |
 Tadashi YokouchiMakoto Kawamura | Makoto Kawamura |
| PPaul BeauvaisRobert Fitzgerald | Robert Fitzgerald |
 Hélène SoubielleMary Fitzgerald | Mary Fitzgerald |