It tells the story of a psychopath, an asocial geek so obsessed with sex that he continually connects everything he sees with sexual organs and behaviors. One night he explodes murdering a sensual woman, followed by a series of attempts by psychiatrists to try to cure his obsession.
In 17th century Spain Diego Alatriste, a brave and heroic soldier, is fighting in his King's army in the Flandes region. His best mate, Balboa, falls in a trap and, near to death, asks Diego to look after his son and teach him to be a soldier.