At the beginning of this episode, the seven find out that they are no longer needed as a new Marshall has been hired. They each make decisions about where their lives are going and you really can see and feel the sadness they have when separating. Then as each man discovers that the town needs them they jump at the chance to work together again.
This episode illuminates the relationship that has developed between the seven men and the town they protect. This episode reminds the viewers that although each man has their own agenda or issues, that as a team they are unstoppable.