A ground-breaking interactive drama by Mike Walker.
Three people are trapped in a haunted building.
Listeners can vote to decide whose perspective will be heard at every moment in this chilling ghost story.
Phone voting: 09055 200 444.
Text voting: character name to 80145.
Calls will cost 10p for landline and a maximum of 12p for text messages.
Live voter stats available at www.bbc.co.uk/darkhouse Lucy....Claudie Blakely Jim....Alan Ford Kelly....Colin Gurie.