Journalist, host and television producer, Georges Pernoud created the seafood magazine "Thalassa" in 1975, one of the oldest television programs in the French audiovisual landscape when he retired in 2017 after presenting 1704 issues. On the occasion of the death of Georges Pernoud, on January 10, 2021, this documentary looks back on his career, intimately linked to the story of "Thalassa", the magazine that made the heyday of the France 3.