Warning: This story contains spoilers for Last Breath. The only thing more shocking than Last Breath's ending is that it's all true. Director Alex Parkinson turned his 2019 documentary into a dramatic thriller (now playing in theaters) starring Finn Cole as real-life saturation diver Chris Lemons,

In September 2012, while attempting to repair an oil pipeline off the coast of Scotland, the diving support ship Bibby Topaz lost control of the automated system of thrusters that held it in place above the repair crew. Buffeted by winds and swells, the ship began to drift away from the divers, 300 feet below on the ocean floor.

Movies have the thrilling capacity to take us to other worlds, but they’re also capable of depicting parts of our own that we neither know nor see, and that may be the most compelling aspect of Last Breath.