Massive SPOILERS ahead for The Lighthouse!
Robert Eggers’ The Lighthouse tells the story of two lighthouse keepers assigned to run and maintain a lighthouse off the coast of Maine. But since this is a Robert Eggers movie, things don’t go quite according to plan. So let’s break down the unsettling ending, all that head-scratching symbolism, and what (we think) it all means, starting with…
Thomas Is Proteus
In an interview with Vox, Eggers revealed that the film is loosely based on a real-life event that took place in the 19th century somewhere in Wales. But where things get really juicy is his mythological inspiration for the film:
Source: IGN.com The Lighthouse Ending Explained