During the second Silesian Uprising in 1920, seven Basista brothers joined the insurgents to face the German forces preparing to storm the mining areas.
In summer of 1939 Germans are preparing the last element that will justify their invasion of Poland - the Operation Himmler - covert operation on the territory of Poland.
Two men agree to take part in a scientific experiment - they will be hibernated for 3 years. But when they wake up the world looks completely different than how they remembered it.
Teenagers from Gray Ranks prepare action that would free their friend Rudy from Gestapo, but their superiors in resistance are against the action since it would put a lot of civilians in danger.