Soon a government agency begins to investigate, determined to uncover the ship's secrets before a media storm erupts. They enlist Robert Grim, a retired specialist of the occult, to unravel the mystery, who soon realises the ship could be a harbinger of an ancient doom awakened under the sea.
In a maelstrom of international intrigue and pure terror, Grim must race against time as he comes face to face with an open doorway to the apocalypse.
