Rome, 1929. The Pope's tailor sends his only son, 35-year-old virgin Nello, to more liberal Bologna hoping he'll find a wife. His head brimming with ideas on romantic love induced by classical poetry, Nello falls for Angela, a beautiful blind woman who indulges him only to win back her fiancé.

An elderly man is murdered in his lavish Italian castle. When his friends and family arrive there for the reading of his will, the murderer has plans to continue his gory killing spree.