A man comes to a western town willing to discover the perpetrators of the robbery of a bank, where a significant amount of gold disappeared and witnesses were cruelly murdered. One of the thieves is now getting rid of the accomplices, using some deadly snakes that only seem to obey him.

A family of 4 makes a long drive to Aunt Martha's house to visit her for the first time in years. Only she isn't there. Just the caretaker and his message that she will appear the next day...if they survive the night.

In Naples, gangsters have seized the American ambassador. The authorities respond by assembling a special squad; to command it is Borri, a former commissioner who has a personal vendetta against the racket.

1978 film by Mario Bianchi