Chasedbythemilitarypoliceforce,thepartisansBoykaandAntontakerefugeinacave.Agrenadeexplosiondislodgestherock,whichsealsoffthepassage.Inthemorning,theyhearsomeoneknockontherock.Anton,anexperiencedmemberofresistance,rightlyguessesthatthesearethepolice.Theonlywayoutistoswimdownsthestreamofundergroundriver.Theytaketheriskandescapeunharmed.Boykadesirestoseehermotheronemoretime.SherunsawayfromAnton.Herejoinsthepartisanunit.TheHQallowshimtofindthegirlandpreventabetrayal.Inthecity,heisarrested.ConfrontedwithBoyka,Antondoesnotgiveawaythatheknowsher.AblackpolicevantakesBoykatoherdeath.Antonescapesfromthepoliceofficerwhoguardshim.Awomandresseshiswoundandwithherhelp,Antonmakeshiswaytohisfellow-partisans.