Seymour works in a skid row florist shop and is in love with his beautiful co-worker, Audrey. He creates a new plant that not only talks but cannot survive without human flesh and blood.

Jack Diamond and his sickly brother arrive in prohibition New York as jewelry thieves. After a spell in jail, the coldly ambitious Diamond hits on the idea of stealing from thieves himself and sets about getting close to gangster boss Arnold Rothstein to move in on his booze, girls, gambling, and drugs operations.

A 17-year-old high-school senior marries a 20-something law student who works as a waiter. Who said marriage was bliss?