Antek is an inexperienced seaman favored by his teachers. On his first trip to the sea he learns the hardships of the work and almost causes a tragedy.

Three episodes showing the repercussions of war. A soldier is awarded with the Cross of Valor and vacation to home. But instead of his village, he finds only the charred ruins. A stray dog turns out to be the former guard at Auschwitz. A young widow is hailed as the wife of the hero but dreams of something else.

The heroic struggle of Polish post office workers in Gdańsk on the first day of World War II.