1. The Blackwater

6.9

. 13 May 2022. 53 min

London widow Cora Seaborne relocates to Essex to learn the truth about a rumored “sea dragon.” When a local girl goes missing, fears escalate.

2. Matters of the Heart

6.9

. 13 May 2022. 53 min

Cora moves to Aldwinter, but the grieving villagers don't welcome her. Naomi struggles with her guilt about what happened to Gracie.

3. Falling

6.4

. 20 May 2022. 45 min

After fishermen claim they were attacked by the serpent, Cora becomes more determined to understand what's in the water.

4. Everything Is Blue

5.444

. 27 May 2022. 52 min

Luke throws a birthday party for Cora. During an eventful night, Cora and Will get closer—and Luke notices Stella is hiding something.

5. I Break Things

6.1

. 3 June 2022. 51 min

Cora tries to put things behind her, but a chance encounter makes that complicated. Stella gets some bad news.

6. Surfacing

6.4

. 10 June 2022. 54 min

Luke processes the incident. Cora has a realization. Will struggles with Stella's illness.