Sir Charles Baskerville dies on the moor under mysterious circumstances and rumors abound about a demonic hound. When the American heir arrives to take charge, a family friend calls in Holmes and Watson to get to the heart of the mystery.
Charles Ryder, an agnostic man, becomes involved with members of the Flytes, a Catholic family of aristocrats, over the course of several years between the two world wars.
A woman, plastered in blood, is arrested by a grave, and a tale of loss, lust and jealousy slowly unfolds.