Ep 4. Struck

As Cullen and Mei ride back to the Central Pacific railroad construction site, they encounter trouble when they come across a group of bandits who attack them. Meanwhile, Durant continues to deal with issues within his company, but a new problem arises when he discovers that a train car carrying important supplies has gone missing. In an effort to locate the missing car, Durant sends out a search party led by Cullen. Along the way, Cullen is struck by an unexpected event that shakes him to his core and threatens to derail his mission. As he deals with this personal crisis, tensions continue to rise between the workers and their Chinese counterparts, leading to a dangerous situation that could have deadly consequences. With time running out, Cullen must figure out a way to solve both his personal and professional problems before it's too late.