5-02: Mei Mei

Against the wishes of Jim Strobridge, Cullen uses nitroglycerin to make strides. Meanwhile, the angry folks of Laramie seek justice against Durant.

As The Swede closes in on Cullen's family, the two enemies face off one final time.

A power struggle ignites between Bohannon and Chang. Meanwhile, Durant offers Mickey the new foreman job while Eva stands her ground against opposition.

Mei deals with the aftermath of her father's death while Brigham Young visits Durant in Laramie.

While continuing the search for his family, Cullen adjusts to life working for the competition on the Central Pacific Railroad.