Heartless

Isadore "Izzy" Goldberg changes his name to I. Patrick Murphy because his store is in an Irish-neighborhood in New York City. He meets Eileen Cohannigan, the daughter of a meat-packer, and he tells her he is Irish and a romance begins. When America enters World War I, "Izzy" enlists, is sent to France, and is wounded while engaged in a heroic rescue during a big battle. While recovering in an overseas hospital, he write Eileen and tells her he is Jewish and not Irish. Returning home, he is parading with his regiment and he sees Eileen with Robert O'Malley, his old rival. He thinks she has thrown him over because he is Jewish. An Irish lodge comes to bestow an honor on the man they think is Patrick Murphy, an Irish hero. But O'Malley tells them his real name is Goldberg. But Eileen tels him it is he she loves, and they head for the marriage-license bureau.

A patriotic but short American man tries without luck to qualify for the Army, but can't get in until a knock on the head raises a lump high enough for him to pass the height requirement. Meanwhile, his lady friend decides to become a Secret Service agent, though she is unable to keep the fact a secret, even from the German spies she hopes to apprehend.

Colonel Sarmo, also known as the Dead Man, finds out about a secret Russian counterfeiting ring in the Continuation War era Helsinki.

Gregory Thorne and Marta Milbanke are engaged. Their fathers are millionaire ship owners. Gregory's efforts to inject a little excitement into their engagement life are fruitless, but when Mr. Milbanke receives an anonymous letter which threatens disaster to his home and fortune if he permits a shipload of supplies for the Allies to leave the docks the young man sees an opportunity for creating what he longs for and tells Mr. Milbanke that he knows who has written the letter but that he will not divulge the man's identity. Gregory, who suspects Count Hilgar Eckstrom, is told that he must terminate his engagement with Marta. But this is what Gregory wants, so he plans to abduct his sweetheart. Gregory's men clash with Eckstrom's gang, who has also come to kidnap Marta, and the disturbance results in the arrival of the police. Marta by mistake, allows herself to be carried off by Eckstrom's men and is taken a prisoner. Gregory, following, is also made a captive, and the young people are held as hostages. How Gregory outwits Eckstrom and places him and his gang in the hands of the law brings about a startling climax.

The first Polish film to discuss the failure of September 1939 Polish-German war. We can see it from the point of view of a university intellectual, fascinated by German culture, who decides to take active part in the conflict.