The morning after a terrible storm, a woman turns up in a remote Cornish village. She has bought a crumbling cottage, and she’s going to make it her home. She calls herself Charlie, but it's a name she's only had for a few days. She keeps herself to herself. Because Charlie has a secret. Charlie was in prison for providing a false alibi for a murderer. But Lee Fisher wasn't a murderer to her; he was the man she loved. Convinced of his innocence, Charlie said she was with him the night a young woman was killed. This sacrifice cost her everything. And now she has a chance to start again. But someone is watching her. . .