Originally Aired: January 4, 1959

In Gunsmoke #352, "The Coward," Marshal Matt Dillon faces a deadly threat when a young cowboy named Jack Massey is shot in the back while sitting in Dillon's chair at the marshal's office. The victim, wearing a hat similar to Matt's and matching his build, was clearly mistaken for the lawman himself. Doc Adams and Chester quickly realize someone is hunting Matt the coward's way, shooting from behind rather than facing him in a fair fight. As word spreads through Dodge City that someone wants the marshal dead, the situation grows more dangerous and unpredictable.

The tension escalates when gambler Said Evie, a man Matt once publicly humiliated in Santa Fe for being a coward, approaches with information about overhearing a murder plot. Soon Matt encounters Matt Swan, a drunk and desperate man hoping to make a name for himself by killing the marshal. As glory hunters and would-be assassins emerge from the shadows, Dillon must navigate a deadly game where any dark alley or deserted building could conceal his killer, and where the real assassin hides among the opportunists seeking fame through murder.