The young Alberto Ruotolo leave the country cottage to go for the sharpshooter. But the command does not pull good air, three riflemen arrogant and unruly bear much disorder as anger Marshal Nero. When comes the new recruit Alberto, now three, compounds from the longest Julius Caesar, Renato and by Ferruccio, the lash him to the fact that he dared to speak to Mary, the daughter of Commissioner Carocci. Initially the three, all invaghitisi Mary, do not lose the opportunity to do mischief to Alberto, because it is the favorite of Mary. Eventually the four become friends and eventually resign themselves to the girl, in spite of themselves. Renato then sees that a few years before it had to be his bride, Nadia, who is now a dancer in variety after leaving the country. But suddenly war broke out in Tripoli, Libya, and sharpshooters are forced to participate.Unable to remain separated from their boyfriends, Nadia and Maria manage to enlist as Red Cross nurses and to achieve in Libya. But the Arabs attack the Red Cross just enters in Libya, and the belated intervention of sharpshooters can not prevent an enemy hit Nadia to death. When Renato discovers that for her there is nothing to do, the bride at the last on his deathbed, and then part with three friends and Marshal Nero for a dangerous mission closely. Eventually the group is saved by a large troop of sharpshooters, but Nero is hit and dies.Returning from the war, Julius Caesar finally got the position he expected, becoming Marshal thus replacing the fallen Nero, while Alberto, happy they will marry Maria.