The criminal underworld of Naples is run by Mafia bosses who hide behind a facade of respectability. Police Commissioner Antonio Belli is waging a relentless battle against Mafia boss Salvatore Santoro: the commissioner has irrefutable evidence against him. Under Santoro’s command, brazen bank robberies, train heists involving millions, and countless murders of innocent people are carried out. Someone is killed at Santoro’s wedding. The Neapolitan underworld is urgently preparing a replacement for the slain boss. Commissioner Belli has no time to spare and confronts the Neapolitan Mafia with even greater severity and ruthlessness.