File:MERCY STREET Episode 4 Preview PBS

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Watch the full-length episode at "http://www.pbs.org/video/2365660812/?Utm_source=youtube&utm_medium=pbsofficial&utm_campaign=mercystreet_2016" (US Only) Check out Mercy Street on pbs.org/mercystreet Airs Sunday, February 7, 2016 at 10/9c. The Green girls plot to help Tom escape. Dr. Foster guides Samuel through a delicate operation.