In this dark and absurdly funny comedy from director Martin McDonagh (“In Bruges”), Colin Farrell stars as Marty, an Irish screenwriter toiling away in Los Angeles with a drinking problem and an epic case of writer’s block. He’s got a title for his serial killer script, “Seven Psychopaths,” but can’t commit a word to the page. His free-wheeling actor buddy Billy (Sam Rockwell) and his dognapping cohort Hans (Christopher Walken) inadvertently provide a source of inspiration for Marty’s script after running afoul of a dog-loving gangster (Woody Harrelson), who lets loose the unhinged criminal underworld of L.A. to track down the thieves. It looks like Marty will get all the fodder he needs for a good crime story, so long as he survives long enough to get the story on paper...