Sneak Peek: Will Cullen and Mei’s Secret Affair Stay Secret?

Chang's suspicions could be the end of Cullen and Mei's relationship. But can Mei turn her back on her man? Click here to watch a sneak peek of Saturday's all-new Hell on Wheels.

The final episodes of Hell on Wheels air Saturdays at 9/8c on AMC. To stay up-to-date with all the latest Hell on Wheels news, sign up for the weekly Hell on Wheels Telegraph.