The Old Dark House

Hammer horror re-make of the 1932 film. An American in England decides to go and stay in an old Welsh country house with his friend Casper Femm.

Upon his arrival he is informed of Casper's untimely death, and is then introduced to the rest of the family, but as evening draws on members of the family begin to get murdered and the murderer must be found before there is no-one left alive.