The young and still unknown writer Ivan Andreevich Krylov, a glutton and a sloth, was unexpectedly summoned to the palace to Empress Catherine the Great, and a day later he was sent to Moscow with a secret mission, where a whole detachment of spies working for various palace parties was waiting for him. A seductive beauty, a cheeky dragoon, a killer coachman, a fake valet - everyone is trying to find out why Ekaterina turned to Krylov and what secret he should reveal.