Rawhide (1959)

S06E23 Incident at Hourglass

The herd must navigate through Hourglass Pass, where the army is getting ready to detonate explosives for a dam project. Favor's childhood friend, now married to the Post Adjutant, finds herself in a dire situation. After she takes the life of an officer, she fabricates a story that implicates Favor in the murder, leading to his wrongful conviction.