Premise: Examples of comedy thrillers in films, plays and novels are "Charade", "The Thin Man", "The Lady Vanishes", "In Bruges", "Silver Streak", "Mr. and Mrs. Smith", "No Way to Treat a Lady", "Kiss Kiss Bang Bang", "Kshana Kshanam", "The Big Fix", "Lucky Number Slevin", "Deathtrap", "The Ladykillers", "Hopscotch", "Welcome to Collinwood", "The King of Comedy".
Hypothesis: "The Big Fix" was based on a tragic story.