TheactiontakesplaceattheendofWWII.Itis1944ontheYugoslavfront,wheretheBulgarianArmyisfightingbloodybattlesagainsttheretreatingNaziunits.SeverallorriesloadedwithBulgariansoldiersmakeadetoursoastodeliverammunitionstoanarmyunit.Theyarepeoplewithdifferentconvictionssharingacommongoal-tocomeoutvictoriousandtoreturntotheirpeacefuleverydaylife.Amongthemarepeoplewhobelieveinthetriumphofthenewsystemandforwhomthedifficultcrusadeisaconfirmationoftheirideals.Theyarealsouncertainpeople.Fortheyoungestthisisthefirsttrialinlife.AyoungYugoslavwomanhelpsthemfindtheroadthroughthedangerousfrontline.HerromancewiththeoneofBulgariansoldierssymbolizessolidarityinthestruggleagainstthecommonenemy.Afteraseriesofdifficultiesandmishaps,thesoldiersmanagetodelivertheammunitionstotheircomrades.