After 27-year-old WilIiam (Aneurin Barnard) fails at his ninth attempt at suicide; he decides to take up a genial 65-year-oId hitman; Leslie (Tom Wilkinson); on his offer to heIp out. LesIie has quotas to meet to keep his membership in an assassin’s guild; but when WilIiam meets the woman of his dreams (Freya Mavor) things get more complicated for both men.