A famous writer is found hanged in his office. At first, all police investigations conclude that it was suicide, but when Samantha Kinsey, owner of Seller 'Mystery Woman' starts his own investigation, he discovers that there is chance that has been committed murder. The film is the first in a long series of American TV movies called" Mystery Woman", in which Samantha Kinsey, the owner of a bookshop specializing in thrillers and suspense is involved in the resolution of real cases.

Susan and Mark move to a seaside town to buy an old house and open an inn. They came to look at one house, but Susan is inexplicably drawn to another. The house is high on a cliff overlooking a lonely beach. Something eerie is going on. A scary black dog appears. One strange guest stays at the inn. Susan finds letters in the attic written long ago by a wife who was terrified of something.