Poland, 1982, the politically heated days of communist martial law. Two coal miner brothers react differently to the oppressive police state. While Tadek prefers to retreat into neutrality, Janek chooses active engagement in the democratic underground. When Janek asks Tadek to store some anti-government leaflets on the second anniversary of Solidarity's 1980 strikes, he triggers a spiral of events that will have everyone's allegiances and characters severely tested.