Battousai vs Yukimura Chizuru

Himura Kenshin, Battousai is Chozu assassin, Yukimura Chizuru is Shinsengumi Messenger. Chizuru was the one who warned people of Ikendaya, Kenshin was the man that faced the consequences of the masquarade. He had to go to Otsu, where he lost his wife. He blaims himself and he blames the traitor. What will happen if the Hitokiri and the Messanger meet? Please review (no flames)