Release Message:  Under a lake a gleaming black spaceship is recovered but there is nothing inside. The Doctor (Peter Capaldi) and Clara arrive to find the base under siege and the Doctor discovers that this is more than a ghost story.

Description:  Under a lake a gleaming black spaceship is recovered but there is nothing inside. When the base crew start dying, they discover that ghosts are real. The Doctor and Clara arrive to find the base under siege and the Doctor discovers that this is more than a ghost story.