Rurouni Kenshin S03 E05 Gleaming Blade of Legends! The Mystic Swordsman Shougo Amakusa

Alerted by Misao, Kenshin and the rest of the Peace Force arrive to help Aoshi find a mysterious killer. Kenshin's investigation uncovers evidence linking the killing to a Christian Samurai and of vengeance that's been foretold.