Paul-Henri Nargeolet was a French deep sea explorer and Titanic expert. Known as "Mr. Titanic", Nargeolet was one of five people who died aboard the submersible Titan when it imploded on 18 June 2023 near the wreck of the Titanic. From Wikipedia
The film traces untested design choices within a safety-averse culture, triggering a years-long Coast Guard probe followed by emerging legal claims.