After ditching his job at the Rand Corporation for a shot in Hollywood, Al Ruddy wins the job to produce Mario Puzo's bestselling novel, "The Godfather" for Paramount Pictures. Joe Colombo, a rising crime boss in the New York City Mafia, has a darker fate in mind for the picture.

With Francis Ford Coppola and Mario Puzo penning the script, Al Ruddy and Bettye McCartt confront an ever-growing list of opposition to "The Godfather" including Frank Sinatra, LA Gangster Mickey Cohen, and the Colombo led Italian-American Civil Rights League. Meanwhile, Robert Evans and Gulf & Western's Barry Lapidus lock horns over the creative direction of Paramount Pictures.

Pressure mounts for the scripts' delivery after Ruddy is forced to sit down with Joe Colombo and Evans finds himself navigating hot waters with Gulf & Western's CEO Charlie Bluhdorn. Meanwhile, Bluhdorn takes an interest in Bettye.

With Marlon Brando and Al Pacino in contention for leading roles in "The Godfather", Ruddy is caught in the line of fire between Evans and Coppola and must pick a side. After gaining Joe Colombo's support, Ruddy gets an uncomfortable glimpse of his new friend's loyalty. The rising stakes surrounding "The Godfather" continues to strain Ruddy's relationship with Francoise.

Ruddy and Bettye combat logistical nightmares with principal photography quickly approaching. As the Mob continues to ingrain itself in the making of the film, tensions rise between Colombo and notorious hot head Crazy Joe Gallo.

Ruddy deals with the fallout from the disastrous press conference while Evans creates a plan to save Paramount. Bettye takes action as the first day of filming is compromised due to collisions with Gulf & Western, Paramount, and the Mafia.

Dissatisfied with the footage, Barry Lapidus orchestrates a potential coup as Ruddy initiates a bold plan to save both Coppola and Pacino's jobs. Crime boss Carlo Gambino questions Colombo's leadership as he holds another large Italian-American Civil Rights League rally.

In the bloody aftermath of the Italian-American Civil Rights League rally, Gallo threatens "The Godfather's" production budget as Ruddy struggles to protect the funding for Sicily. Evans continues to spiral after the breakup of his marriage with Ali MacGraw, allowing Barry Lapidus to capitalize.

As the production contends with the challenges of filming in Sicily, Ruddy leaves early to help get Evans back on track. Post-production disputes with Lapidus threaten Coppola's vision for the edit and Bettye starts to think about her next move.

"The Godfather" is released to rave reviews and box office records. Drama unfolds at the 45th Academy Awards.