A tale of a young impoverished nobleman, who with his uncle returns from a war against the order of the Teutonic Knights in Lithuania. He falls in love with a beautiful woman and pledges an oath to bring her "three trophies" from the Teutonic Knights.
Bielecki becomes determined to become a famous writer, but the means he employs in achieving his goal are far from ethical. Bielecki discourages his friend Jerzy Gorski by telling him his new work is rather poor, driving him into despair. But Bielecki is such a good friend that he even provides Gorski with the morphine so he can overdose too. With Gorski out of the way, Bielecki can now peddle his friend's book as his own. However, it doesn't take long for Bielecki's evil ways to catch up to him.
A spy film about Professor Skalski's invention - rays that could stop engines, thus avoiding wars - which becomes the focus of foreign intelligence. In order to take over the discovery, a secret agent is sent to reach the invention via the professor's son.
