Gunsmoke (1955)

S10E34 Honey Pot

A newcomer arrives in town and warns Sam that he's planning to take Matt's life. It quickly becomes clear that he and Matt share a past as friends. However, the situation escalates when this wanderer becomes embroiled in a deadly shooting, claiming it was self-defense despite being the sole person with a weapon. As tensions rise, Matt's loyalty is tested, and their bond is put under serious strain.