Peggy and Sousa propose a trade with Whitney Frost, while the SSR gets help from Howard Stark that may be the key to eliminating Zero Matter.

A stunning turn during the American Revolution prompts Lucy, Wyatt, and Rufus to question whether they’ve been fighting on the wrong side this whole time. While Agent Christopher prepares for…

When a cholera epidemic hits Hell on Wheels, Cullen must find fresh water before his workers die. Durant faces political fallout.

Cullen helps Elam track down a dangerous criminal; the town prepares to move down the tracks.

Cullen and Elam try to secure a new lumber source following a railroad accident; Durant tells Louise a secret about Cullen.

Cullen and Elam search for their stolen food on the prairie; a stranger’s arrival threatens Elam’s family.