Ryszard Ochódzki receives a special assignment for UB - infiltrating the "Solidarity" party branch in Suwałki. His arriving there coincides with the imposition of martial law on Poland.
The 1940s. Leon and his sons work on the Vistula River as sandblasters. One day the men fish a woman and her small daughter out of the river. It turns out that they are Jewish women who escaped from Warsaw, where they could not continue hiding. Leon undertakes a heroic struggle for their survival. He gives the women shelter in his home, risking the lives of his own family.
