Now an agent of Interpol undercover, the former Inspector Giraldi (Tomas Milian, or Tomas Quintin Rodriguez, born in Havana in 1937), goes to New York to find his friend Salvatore Esposito (Enzo Cannavale), aspiring restaurateur in Little Italy, suffocated by debts with the usurers headed by Don Gerolamo. He will remove the gang and assure her of justice, but she will suffer the advances of the Boss's daughter, the ugly Maria Sole (Margherita Fumero). Fifth episode of the saga of Nico Giraldi including a total of 11 films, all screened by Mario Amendola (1910-1993) and directed by Bruno Corbucci (1931-1996).