After gaining his freedom with the help of an old friend of his father, Spirito Santo/Holy Ghost recovers in an abandoned mine the gold fruit of a previous robbery and makes preparations for a new job recruiting a strange sacristan armed with a machine-gun. Meanwhile a Native American sheriff is on his trail.

Using interviews and filmed reconstructions, the director analyzes eroticism from the period of breastfeeding, in which the newborn feels pleasure from contact with the mother's breast until reaching adulthood.