Just a Closer Walk

I am weak, but Thou art strong/Jesus, keep me from all wrong/I’ll be satisfied as long/As I walk, let me walk close to Thee.

Katie and Joanna meet on a train headed to Cheyenne, Wyoming. They start talking and find out they are both headed there to become mail order brides. They quickly become good friends. When they get on a stagecoach with three other young women, Katie becomes suspicious. What is going to happen to them? Or is it really possible that nothing untoward is happening?