The Dinard resort prepares for a British film festival when the body of a director is discovered floating. He had been the victim of a shipwreck in which his sister had died. Are these two events linked?

The seaside resort of Dinard rolls out its red carpet for its British film festival when we discover the body of a young English director floating between two waters. The man did not drown, he was killed. Years earlier, he had already been the victim of a tragic shipwreck in which his teenage sister lost her life. Are these two tragedies linked?—Happy_Evil_Dude