The Lighthouse (2018)

Thomas Howell (Michael Jibson) and Thomas Griffith (Mark Lewis Jones), two lighthouse keepers who were stranded at the isolated Smalls Island Lighthouse for months during an endless storm, surrounded by the deadly Irish sea.

The two men eventually found their minds ultimately pushed to the limits as they descended into madness.

Based on the true story known as the Smalls Island Incident of 1801.