Eccentric and full of manias, Michele is a young high school professor who defines himself as “not used to happiness”. He realizes his life is meaningless if he doesn’t have a woman by his side but, after a series of rather disastrous experiences, he feels more alone than ever. Then, out of the blue, a new French teacher called Bianca arrives at school. Amongst uncertainties and contradictions, the two start dating. In the meantime, a series of homicides take place and a police officer begins to suspect that Michele is involved. Bianca will save him providing an alibi at the right moment, but then, everything goes wrong again.

Diamante, an actress engaged in the filming of a drama, is shot down in a warehouse used to store the cinema "pizzas". Another actress, Ely, get a glimpse of the corpse, which however is immediately disappears.

The young British archaeologist Tim Frazer is visited by an old friend: Henry Denston. At an agreed appointment, however, the man does not show up, giving rise to a mysterious investigation.

Peter Goodrich, an English antique dealer visiting Naples for a pleasure trip, meets the beautiful Lisa Carter by chance and begins seeing her until the woman disappears.