Death on the Fourposter

A group of friends decide to spend a weekend in a castle belonging to Riccardo a moody and hypersensitive young artist The only other inhabitants of the castle are a mysterious housekeeper Caterina and the demented Aldo The group are joined by two friends Serena and a young American medium Anthony During a seance Anthony predicts a tragedy then leaves the castle shocked by his own visions An hour later Serena is found strangled to death in bed The others become gradually more and more diffident and suspicious especially when another girl is murdered