 Italy, 1916. Oreste Jacovacci and Giovanni Busacca are called, as all the Italian youths, to serve the army in the WWI. They both try in every way to avoid serving the army. Giovanni bribes Oreste, believing to his false pledges to make him avoiding the army. But the destiny make them meeting again on the train directed to the front. Nevertheless Oreste stolen money to Giovanni they become friends and in first times are allocated to a secondary and quite front (village of Tigliano). Here they spend some months in relative peace and Giovanni finds time to fall in love for prostitute Costantina. But war is getting everyday closer. During the most important battle among Italians and Austro-Hungarians, Giovanni and Oreste are in charge to deliver a vital message to the Italian headquarters. But, unfortunately, they fall in the hands of an Austrian officer that, under life menace, starts an interrogation to find out the Italian message. What they should try to do now?