AMCs historical drama Hell on Wheels began as a character-driven period piece following Cullen Bohanans move out west as part of a railroad crew with the intention of finding and eliminating the Union soldiers responsible for murdering his family. Joe and Tony Gaytons series quickly became as much about the trials and tribulations of building a railroad as it became about a personal vendetta. Season 3 offered a look at many of the hazards and troubling aspects of life in the wild, ending with one possibly dead lead and another stuck in a creepy Mormon commune. With a cholera outbreak also taking precedence during the latter half of the season, the real question leading into Season 4 is when Hell on Wheels plans to actually get back to the rails.
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