E1 · The Blackwater
London widow Cora Seaborne relocates to Essex to learn the truth about a rumored “sea dragon.” When a local girl goes missing, fears escalate.
E2 · Matters of the Heart
Cora moves to Aldwinter, but the grieving villagers don't welcome her. Naomi struggles with her guilt about what happened to Gracie.
E3 · Falling
After fishermen claim they were attacked by the serpent, Cora becomes more determined to understand what's in the water.
E4 · Everything Is Blue
Luke throws a birthday party for Cora. During an eventful night, Cora and Will get closer—and Luke notices Stella is hiding something.
E5 · I Break Things
Cora tries to put things behind her, but a chance encounter makes that complicated. Stella gets some bad news.
E6 · Surfacing
Luke processes the incident. Cora has a realization. Will struggles with Stella's illness.
