Set in 1920s New York City, this movie tells the story of idealistic young playwright David Shayne. Producer Julian Marx finally finds funding for the project from gangster Nick Valenti. The catch is that Nick's girl friend Olive Neal gets the part of a psychiatrist, and Olive is a bimbo who could never pass for a psychiatrist as well as being a dreadful actress. Agreeing to this first compromise is the first step to Broadway's complete seduction of David, who neglects longtime girl friend Ellen. Meanwhile David puts up with Warner Purcell, the leading man who is a compulsive eater, Helen Sinclair, the grand dame who wants her part jazzed up, and Cheech, Olive's interfering hitman / bodyguard. Eventually, the playwright must decide whether art or life is more important.
A movies special effects man is hired by a government agency to help stage the assassination of a well known gangster. When the agency double cross him, he uses his special effects to trap the gangster and the corrupt agents.
Countless wiseguy films are spoofed in this film that centers on the neuroses and angst of a powerful Mafia racketeer who suffers from panic attacks. When Paul Vitti needs help dealing with his role in the "family," unlucky shrink Dr. Ben Sobel is given just days to resolve Vitti's emotional crisis and turn him into a happy, well-adjusted gangster.
A former Prohibition-era Jewish gangster returns to the Lower East Side of Manhattan over thirty years later, where he once again must confront the ghosts and regrets of his old life.
Mark Kaminsky is kicked out of the FBI for his rough treatment of a suspect. He winds up as the sheriff of a small town in North Carolina. FBI Chief Harry Shannon, whose son has been killed by a mobster named Patrovina, enlists Kaminsky in a personal vendetta with a promise of reinstatement into the FBI if Patrovina is taken down. To accomplish this, he must go undercover and join Patrovina's gang.
A woman who has recently discovered that she is the daughter of Angelo, a major mafia boss, decides to wreak vengeance when he is killed by a hitman. She's aided by his faithful bodyguard, with whom she soon falls in love.