An assassin trained as a ninja carries the code name M. Hayami is a yakuza boss and a divorced father who is not allowed to come near his young daughter Mutsumi from his ex-wife Kazuko. In the big port city of Yokohama, M targets Hayami, who has angered the president of his group.
| Actor | Role |
|---|---|
 Reiko IkeM (Code Name) | M (Code Name) |
 Mikio NaritaHayami | Hayami |
 Kenji ImaiKawashima | Kawashima |
| AAkiko MoriNot listed | Not listed |
 Masashi IshibashiNakata | Nakata |
| SShunsuke MizoguchiNot listed | Not listed |
 Ichiro KijimaNot listed | Not listed |
| TTessen NakahiraNot listed | Not listed |
 Akira TakahashiNot listed | Not listed |
| MMidori MoriAkemi | Akemi |
 Michiko KomoriNot listed | Not listed |