I think this was another great addition to the series. You once again see the character's bravery with the world around them.
Sarah is still in Boston and refuses to leave Mrs. Adams despite the epidemic. She then takes the innoculation even though some say it could possiblely kill her. Then she gets extremely sick and everyone starts to wonder if she was going to pull through. Then the episode forshadows the return of Sarah's father leading to questions of "Will he play an important role in the series?"
While James meets Alexander Hamilton and follows him while he goes to tell Washington some dreadful news. Many who know history, as I did still worried a bit over the fate of Hamilton.