Efisio Mulas is a meek laborer who lives with occasional work, especially in Don Leandro Sanna's salon, and rounds up the slim balance by betting with colleagues in strength with the game "head against head". In the village the Sanna and Porcu families' conflict has lasted over a century.
Carlo Barlozzetti, a silly waiter, lives alone in an apartment located across a bank which a Professor and his followers try to robe. While The Professor intends to steal a ring packed with a precious and secret metal alloy guarded in A safety deposit box, his men want to take the money from the safe.
David of Bethlehem slays the giant and becomes a rival to King Saul.
