Part 1 - The Circle at Low Tide
In 1890s Cornwall, a lighthouse keeper's daughter tends a lonely tower on a dangerous reef when her father disappears during a night of unnatural fog and the beacon begins to burn too brightly, too hungrily. As strange symbols appear on the rocks, villagers fall silent, and a thing wearing her father's face knocks at the door, she must decide whether her light is saving sailors or luring them to an ancient presence beneath the waves.
Part 2 - When the Sea Says No
Years later, Elara Grey returns to her isolated village to care for a dying grandmother and inherits a crumbling house, an old journal, and the truth about a blood pact her family made with a sea-dwelling Feeder. As tides twist, bones surface, and the elders demand she renew the bargain in the low-tide stone circle, Elara becomes the first Grey to defy them and tells the sea no.