A grim, merciless gunfighter known as Santana protects a young woman from the murderers of her family members and at the same time pursues a revenge against a traitor responsible for the death of his fellow soldiers years before.
The relatives of a young rebellious hier to a fortune (Dean Reed), who spends most of his time on a yacht, try to have the kid interned as a madman, but are mysteriously killed one by one, in the family's villa. A girl (Stefania Careddu), lost at sea and saved by the young man, will also have some...