At River's Edge

Name: At River's Edge
Director: Tetsuo Shinohara
Genre: Drama, History
Released: 2011-08-02
Rating: 7.3
Cast: Noriyuki Higashiyama, Rinko Kikuchi, Ryo Katsuji, Ainosuke Kataoka, Machiko Ono

A samurai Sakunosuke gets an order from clan chamberlain to kill another samurai who is married with his own younger sister. As a loyal samurai he has to accept the mission even though he has inner conflicts.