Journalist Harper Grey returns to the eerie coastal village of Darkmoor after her estranged uncle is found dead under mysterious circumstances. Teaming up with Sheriff James, she uncovers a dark family secret tied to a cursed lighthouse, an ancient evil lurking beneath the sea, and a deadly ritual connected to her bloodline. As they race to unravel the truth, Harper and James face growing danger, forbidden romance, and a village haunted by its own past.