Lone Wolf and Cub: Sword of Vengeance (子連れ狼　子を貸し腕貸しつかまつる, Kozure Ōkami: Kowokashi udekashi tsukamatsuru) is a 1972 Japanese chambara film directed by Kenji Misumi. The film tells the story of Ogami Ittō, a wandering assassin for hire who is accompanied by his young son, Daigoro. It is the first in a series of six films in the Lone Wolf and Cub series.