On the edge of a Norwegian fjord in the present day, the Doctor, Ryan, Graham and Yaz discover a boarded-up cottage and a girl named Hanne in need of their help. What has happened here? What monster lurks in the woods around the cottage - and beyond?

• Sydney Newman
• C. E. Webber
• Donald Wilson

• Letitia Wright
• Toby Jones
• O.T. Fagbenle