A boy and his stepmother fear for their safety after an eerie creature resembling the boy's recently deceased father visits them.
London widow Cora Seaborne moves to Essex to investigate reports of a mythical serpent. She forms an unlikely bond with the village vicar, but when tragedy strikes, locals accuse her of attracting the creature.
When Detective Kat Donovan matches on a dating app with the fiancé who disappeared years before, she learns that some secrets are best left in the past.
