Kathryn Wilder

In the midst of a brutal storm, Danvers and Navarro find themselves stuck at Tsalal with no electricity or means of contact. As the truth about what happened to Annie and the Tsalal men unfolds, Navarro and Danvers each confront the demons from their past.

As Prior digs into the links between Tsalal and mining company Silver Sky, Navarro rescues Leah from a local protest that has turned violent. At a meeting with Silver Sky exec Kate McKitterick, Danvers is warned not to pursue the case any further.

As Danvers and Prior set out to learn more about Tsalal – and find an unlikely location for the physical evidence – Captain Connelly threatens to move the case to Anchorage. Later, Navarro and Danvers separately find a connection between one of the Tsalal men and Annie, prompting the former partners to agree to work the case together.

When eight scientists vanish without a trace, Navarro tries to convince Danvers that the case is connected to the unsolved murder of a local activist.

Needing time to think, Sophie takes the kids to the countryside. Kate’s off her game in court. Memories surface of James’ long-ago encounter with Holly.

Sophie feels the fallout from the accusations swirling around James, who rallies a longtime friend for support. Kate prepares for her first witness.

Charlotte and George grudgingly perform their marital duties. Lady Danbury wants to host a ball. Brimsley spies something curious on Coronation Day.

Demolition work in Poplar uncovers a long-buried secret that leads to a testing and emotional case for the team. Sister Julienne takes on a sensitive delivery.

Sister Julienne and Dr Turner clash over whether to provide a private care service, and a distressing birth raises fears of another Thalidomide case.