In Takashi Miike’s 13 Assassins, starring Kôji Yakusho and Takayuki Yamada, a group of elite samurai are secretly assembled to assassinate a sadistic feudal lord whose reign of terror threatens to plunge Japan into chaos. What begins as a covert mission of justice escalates into a relentless final battle where honor, sacrifice, and brutal sword combat collide in one of modern cinema’s most explosive samurai showdowns.

Från IMDB:
A group of assassins come together for a suicide mission to kill an evil lord.