Mike Vecchio and Susan Henderson are preparing for their upcoming wedding. However, they seem to be the only two people at the wedding that are happy. Mike's brother Richie and his wife Joan are going through a divorce, which is upsetting his overly devout Catholic mother Beatrice. Also, Susan's father is carrying on an affair and her sex starved older sister Wilma is going through her troubles with her husband Johnny. All this is going on while Mike's best friend Jerry is trying to bed the maid of honor, Susan's cousin Brenda.

An adaptation of Francis Ford Coppola's The Godfather and The Godfather: Part II, re-edited in chronological order with additional footage not seen in the first two films added.

Spanning the years 1945 to 1955, a chronicle of the fictional Italian-American Corleone crime family. When organized crime family patriarch, Vito Corleone barely survives an attempt on his life, his youngest son, Michael steps in to take care of the would-be killers, launching a campaign of bloody revenge.