A fictionalised account of the Franklin Expedition that disappeared without trace in the 1850s, though now both ships have been found but only 3 graves
It's really good period drama that captures the isolation and psychoses surrounding eating food contaminated with lead poisoning and throws in a supernatural twist.
Jarred Harris is brilliant as
Spoiler
was Ciaran Hinds
Got very decent Rotten Tomatoes scores of 94% critics and 87% audience
Got the last episode to go but I would check it out if you are able.
Ridley Scott had a hand in it. Trailer is on RT below takes a few secs to buffer
https://www.rottentomatoes.com/tv/the_terror/s01