Cheyenne | Season 3 | Episode 12 | (The Empty Gun)

Episode aired February 25th, 1958

Cheyenne is asked by Matt Reardon, a gunfighter, to help him with a mission after he rescues Cheyenne from a fight. Reardon wants to repay a debt to the widow of the first man he killed who was also his partner. Her son gets in the way.

IMDb: https://www.imdb.com/title/tt0540161