The plot takes place in 19th century in a military hussar regiment, which spends few days in a provincial Russian town. A high profile Secret Service agent has a task to investigate if this regiment is loyal to the Tzar. The agent finds an actor who agrees to play a role of a captured rebel. Agent's plan is to test regiment's hussars ordering them to execute (shoot to death) this false rebel. Everything is staged, but hussars think it's a real execution. (imdb)