Five Cartridges German Fnf Patronenhlsen is a 1960 East German film directed by Frank Beyer and starring Erwin Geschonneck, Armin MuellerStahl and Manfred Krug.
After the battalion leaves, the group fends off the Nationalists for several hours and then breaks out. Vasia disappears while searching for him, Witting is spotted by the enemy and shot. Before he dies, he rips a piece of paper into five parts which he encapsulates in spent cartridges. He gives a cartridge to each of his five men and orders them to carry it back to the battalion, claiming it contains an important message. It would be decipherable only if all the pieces would reach their destination.After finding Vasia, the volunteers make their way across the Sierra in the hot summer, and run out of water. All the wells in the area are guarded by the Nationalists. The groups members become desperate with thirst, and their attempts to get water are frustrated. They begin to quarrel among themselves. Vasia, mad with thirst, wanders into a village in search of water and is caught by the Guardia Civil. Before being executed, the others rescue him. Vasia then volunteers to hold off the pursuing Falangists. Pretending to surrender, he approaches the enemy soldiers with a grenade in his hand and dies when it explodes. Afterwards, Pierre leaves his cover to try and drink from a well, only to be shot dead. ........
Source: Wikipedia