In this season, the staff comes together to save one of their own. Foster cares for a gravely ill Mary, which doesn’t sit well with the new chief; Charlotte tries to contain a smallpox epidemic; a house guest spurs a scheme by Alice; and Samuel faces a difficult decision.

• Mercy Street - Season 2
• Hannah James
• McKinley Belcher III
• AnnaSophia Robb
• Lisa Wolfinger
• David Zabel