When the first manned flight to Venus returns to Earth, the rocket crash-lands in the Mediterranean near a small Italian fishing village. The locals manage to save one of the astronauts Colonel Calder, the mission commander. A young boy also recovers what turns out to be a specimen of an alien creature. Growing at a fantastic rate, it manages to escape and eventually threatens the city of Rome.
Gino Monetti is a ruthless Italian-American banker who engaged in a number of criminal activities. Three of his four grown sons, refuse to help their father stay out of prison after he’s arrested for his questionable business practices. Three of the sons take over the business but kick their father out. Max, a lawyer, is the only son that stays loyal to his father.
After years of pursuit, Assistant D.A. Martin Ferguson has a good case against Murder, Inc. boss Albert Mendoza. Mendoza is in jail and his lieutenant Joseph Rico is going to testify. But Rico falls to his death and Ferguson must work through the night going over everything to build the case anew.