Borowski was arrested by the Gestapo in 1942. He was not a part of the Polish resistance movement in World War II against the Nazis in Warsaw, but his fiancée was. She was captured after falling into a trap set by the Nazis, and sent to a concentration camp.
In 1942, Borowski was arrested by the Gestapo.  He was not involved with the Polish resistance against the Nazis in Warsaw, but his fiancee was. She was captured after being lured into a Nazi trap and sent to a concentration camp.