A young public servant receives a house as a wedding gift, but upon arriving he finds only the doors, a military barrack and a tank hidden underground.
Karwowski, son of a pre-war colonel, is transferred from the West to Poland with the task of assembling a spy and diversion network. The task seems to be easy. However, after landing in Poland, it turns out that nobody wants to cooperate with him. Karwowski's "100% reliable" contacts with potential collaborators turn out to be completely outdated.
A former World War 2 resistance fighter returns to Poland to reconnect with his old comrades, but finds out they have moved on with their lives and have no time for him.