The Virginian Season 1 Episode 30 The Final Hour

Judge Garth decides to allow a coal mine to be opened near Medicine Bow against the wishes of the other ranchers who also oppose the Polish miners brought in to work the mine. A beautiful young woman, Polica, is among the family members that came with the miners. The son, Jan, of the man who took her in when she was orphaned assumes her to be his fiancé but she has other ideas. The son of one the vocal ranchers, Jack, falls for her even though her eye is on Trampas who has been given the job of keeping the miners secure and safe and tries to avoid her. Jan has a bad case of jealously. He and Jack end up in a fist fight ending in Jack's accidental death. When the incident is determined to be an accident, Jack's father decides to take matters into his own hands and kill Jan. Trampas realizes he has feelings for Polcia and tries to protect her and the miner's camp from harm.