The Ravenspurs are wealthy and well respected British family, but they seem to have some sort of mysterious curse upon them. In a short time distance, several members of the family fell as a victim of a mysterious tragedies in their family home. Few of the last remaining members are destined to solve the mystery before the family gets extinguished. Frederick White (1859–1935), mostly known for mysteries, is considered also as one of the pioneers of the spy story.