On this episode of Hell on Wheels...

Flashbacks reveal Chang getting a bride and his journey to America.

Cullen sees the dress Mei gave away, knowing Chang knows the truth.

Mei tells Cullen she loves him.

He tries to get Mei out of town, but Chang's mind hunt her down.

Cullen tries to get rid of Chang and he even tries to make a deal with Chang. Chang refuses.

Cullen arrives to save Mei, killing Chang and some of his associates.

Cullen worries about his past, but Mei still says she cares for him.

Cullen speaks with Chang's boss, who agrees to let things go.

Mei leaves town for safe haven, choosing not to let Cullen get caught up in the neverending fight for her.