April 1968. Racial tensions cast a shadow over Poplar, Nancy’s eyes are opened when she supports a dying woman, and Nonnatus House welcomes a new sister.

Lyra and Will seek help to fix Will’s knife. Mrs. Coulter causes chaos at Asriel’s republic.

Through a series of YouTube recommended videos, the story of the rise and fall of The Simpson Family Vlog is revealed.

Jamie goes through with his plan. John has a request for Monica and lends support to an unexpected friend. The Yellowstone cowboys embark on a big change. A flashback reveals a source of Rip's loyalty.