Airplane for the winner

1912. The First World War is not far off. Young aviators Vladimir Slyusarenko and Lidia Zvereva, the first Russian Aviaris woman, are working on the design of the reconnaissance airplane. Their activity is overseeated by the military department of Russia. To work on the airplane, Riga was selected with its factories, where you can place orders for engines and equipment, and with its airfield, which is located on the territory of the hippodrome in the salty.
At the same time, Maximilian Rong, one of the leaders of the Austria -Hungary intelligence, having his own espionage network in Russia, is sent to Riga of three agents - tulip, a centaur and Alda. Their task: at best, recruit young aviators, at worst - just abduct the drawings