Léon, the top hit man in New York, has earned a rep as an effective "cleaner". But when his next-door neighbors are wiped out by a loose-cannon DEA agent, he becomes the unwilling custodian of 12-year-old Mathilda. Before long, Mathilda's thoughts turn to revenge, and she considers following in Léon's footsteps.

After Silvia Broome, an interpreter at United Nations headquarters, overhears plans of an assassination, an American Secret Service agent is sent to investigate.

An American journalist arrives in Berlin just after the end of World War Two. He becomes involved in a murder mystery surrounding a dead GI who washes up at a lakeside mansion during the Potsdam negotiations between the Allied powers. Soon his investigation connects with his search for his married pre-war German lover.

Some of Sin City's most hard-boiled citizens cross paths with a few of its more reviled inhabitants.

Mortimer Brewster, a newspaper drama critic, playwright, and author known for his diatribes against marriage, suddenly falls in love and gets married; but when he makes a quick trip home to tell his two maiden aunts, he finds out his aunts' hobby - killing lonely old men and burying them in the cellar!