A gunfighter called "El Rojo" arrives in Gold Hill to avenge his massacred family.
Cathrine has been sentenced to the gas chamber but Police Lieutenant Sheridan does not believe she is guilty of the murder she has been accused of. He has twenty-four hours to prove her innocence.
While on his way to visit Father Felipe, Sandro has a car accident and dies. Commissioner Selvaggi investigates the case, directing his investigations towards a group of the man's friends addicted to gambling.
