Lawman (1958)

S2E15 The Stranger

An elderly man arrives in town, seeking revenge for his son's death at the hands of Dan Troop. While Dan acted in accordance with his responsibilities, the grieving father is influenced by a local gossip who claims his son was merely a carefree youth and that Dan acted unjustly. In this tense situation, it falls to Johnny to intervene, as the man becomes increasingly intent on taking Dan's life.