Into the solitary life of middle-aged hitman Victor Meynard come two people: Antoine, a youth who becomes Victor's apprentice; and Renée, a bold thief Victor's been hired to kill because she cheated a mobster. When circumstances prevent Victor from killing her, the gangster sends two more teams to do it and to dispatch Victor and Antoine. Victor decides to help Renée, and the unlikely trio ends up at his house with his temperamental mother; as they hide out there, Victor's attraction to Renée grows, she discovers his vocation and fears he will kill her, and an ultimate showdown with their hunters is inevitable.