Plot Summary:Following the inexplicable sinking of a trawler and its fishermen who remain untraceable, Abigail, an oceanographer, is sent by IFREMER on a mission to Fécamp, her hometown, which she left a few years earlier following a family tragedy.
The series, originally known as Rivages, will follow a marine scientist who returns to her hometown of Fécamp to research a mysterious shipwreck and finds mysterious phenomena occurring at sea that are stopping fishermen from doing their jobs. She soon realizes that an underwater presence is about to upset the fragile balance between man and nature.