The Terror by Dan Simmons is based on true events surrounding Her Britannic Majesty's Ships Terror and Erebus, and now a gripping 10-part AMC Original TV series from Sir Ridley Scott...

It's a fictional account, and as such there are of course some liberties taken in relation to the actual events that occurred on the expedition, including a supernatural element involving an unknown something that is essentially stalking and hunting Captains Franklin's and Crozier's crews.