Ramon the alligator is flushed down the toilet as a baby and grows into a gargantuan monster by eating the corpses of laboratory animals who have undergone dubious hormone experiments, thus providing all the ecological and social subtext that one could possibly wish for, even if one doesn't normally go for films about giant alligators eating people left, right, and center--which is the inevitable and tragic result of Ramon's decision that the outside world looks rather more interesting than the sewers....

The continuing saga of the Corleone crime family tells the story of a young Vito Corleone growing up in Sicily and in 1910s New York; and follows Michael Corleone in the 1950s as he attempts to expand the family business into Las Vegas, Hollywood and Cuba.