Attack On The Secret Police(1976)

Original title: Uzbrukums slepenpolicijai

During the 1905 Revolution, secret police arrest a man travelling under the identity of the merchant Karlsons, suspecting that he is in fact a prominent revolutionary. His tense psychological duel with secret police chief Greguss becomes a battle of wits, as each tries to uncover the other’s intentions. Meanwhile, underground revolutionaries devise a daring operation to free their captured comrade.