Omerta is a classic work by Mario Puzo that delves into the depths of the mafia world. It is the third part of a trilogy, following the books "The Godfather" and "The Sicilian." "Omerta" tells the story of the code of honor and loyalty that exists among mafia members. The main character, Raymond Aprile, tries to protect his family and business from enemies, but after his death, his heirs find themselves in a difficult situation. The book is filled with dramatic events and unexpected twists.