Himuro (Yasukaze Motomiya), Captain of the Kyowa Clan and Tamura (Yoshiyuki Yamaguchi), the Chief of Headquarters, are arrested on suspicion of assault. Sakaguchi (Takashi Kitadai), the fourth leader in the Yamazaki Family, and other members of the group scramble to prove their innocence. In doing so, they discover the existence of a gold smuggling ring and an international espionage organization behind the case.
Is Yamazaki Ichimon — Unification of Japan: The Movie (or "The Y-Team") on Netflix? Yes! The movie Yamazaki Ichimon — Unification of Japan: The Movie (or "The Y-Team") is now on Netflix in the countries listed below.
| Directing | Hiroyuki Tsuji | Director |
| Writing | Keiichirō Murata | Screenplay |
| Production | Yusuke Suzuki | Executive Producer |
| Production | Taizo Fukumaki | Producer |
| Crew | Masakazu Oka | Cinematography |
| Production | 橘慎 | Production Manager |
| Crew | 玉寄兼一郎 | Stunt Coordinator |
| Lighting | Kazushi Maruyama | Gaffer |
| Sound | Tsutomu Yamaguchi | Sound Recordist |
| Production | Yasukaze Motomiya | Executive Producer |
| Directing | Takayuki Yamaga | Assistant Director |
| Sound | Atsushi Fuzimoto | Sound Effects |
| Lighting | Masamichi Ohmachi | Gaffer |
| Art | Masahiro Asao | Gun Wrangler |
| Costume & Make-Up | 坂口佳那恵 | Makeup & Hair |
| Editing | Takehiko Tsunekawa | Editor |
