Based on a true story, the 10-episode chiller ended in sensational – if stomach-churning – style. And it didn’t take long for viewers to register their own horror at some of the scenes. Hickey and his men resorted to cannibalism (Credit: BBC) What was The Terror on BBC Two all about? The series told the story of two ships voyaging to unchartered land in Canada in the mid-19th century. The crews’ mission was to navigate the Northwest Passage, somewhere no ship had been before. However, after becoming trapped in ice the crews of both ships were stalked by a mythical beast.