Basedonawell-knownPolishnovelwiththesametitlethemoviere-tellsatruelifestoryofagroupofscoutscalled''SzareSzeregi''(GrayRanks)duringtheNazioccupationofWarsawandtheliberationofoneofitsmembers(imprisonedandtorturedbytheGermans)throughamaverickmilitaryactioninboarddayl...。