Demetrio Perez is a famous criminal lawyer from Naples who years ago was considered one of the best in his field, but after having made too many enemies is now reduced to working as a public defender. His life begins to fall apart when his daughter Tea falls madly in love with Francesco Corvino, the son of a boss of the Camorra.
Luca Buglione, the boss of a rival clan, decides to become a pentito. He makes a deal with Perez: if the lawyer manages to retrieve a batch of smuggled diamonds for him, he will then testify against Francesco.
