During the Swedish invasion of Poland, the brave warrior Andrzej Kmicic, considered a traitor to the nation, fights for a country, redemption and love across the 17th-century Polish territories.
Told in flashback as Mieszko lies feverish in his bed just before the Battle of Cedynia, Gniazdo recounts how the revered leader extended Poland's borders, formed an alliance with Emperor Otto I, and ultimately strengthened his country's autonomy by achieving victory during that crucial battle in the year 972.
Teresa is an attractive 30-year-old doctor. She divides her stable life between work, caring for her younger sister Ania, a high school student, and her romance with Jan, a well-off lawyer who wants to marry her. However, Teresa postpones her decision to marry until Ania becomes independent. One day, she unexpectedly meets Tomek, a young photographer, who soon confesses his love to her, making her question her loyalty to Jan.
