Broadstairs, Kent, 1851: Delphine and her cousin Julia have a secret, one they have been running from for years. The clean air and quiet outlook of the sea-bathing resort of Broadstairs appeal to them, and it seems this is a place they can hide from the darkness for just a little longer. Even so, they find themselves increasingly involved in the intrigues and relationships of other visitors to the town. But this is a place with its own secrets and...